CINXE.COM

<!DOCTYPE html> <html class="lt2 no-js" data-product="lt2" data-available_styles="verdant_14 verdant_12 verdant_tight_12 system_14 system_15 georgia_14 system_large atkinson_16" lang639="en" ><head>  <meta charset="utf-8"> <meta http-equiv="Content-Type" content="text/html; charset-utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <title>MDS: 306.36 | LibraryThing</title> <meta name="apple-mobile-web-app-capable" content="yes"/> <meta name="msapplication-config" content="none"/> <script type="text/javascript"> ;window.NREUM||(NREUM={});NREUM.init={distributed_tracing:{enabled:true},privacy:{cookies_enabled:true},ajax:{deny_list:["bam.nr-data.net"]}}; window.NREUM||(NREUM={}),__nr_require=function(t,e,n){function r(n){if(!e[n]){var o=e[n]={exports:{}};t[n][0].call(o.exports,function(e){var o=t[n][1][e];return r(o||e)},o,o.exports)}return e[n].exports}if("function"==typeof __nr_require)return __nr_require;for(var o=0;o<n.length;o++)r(n[o]);return r}({1:[function(t,e,n){function r(t){try{s.console&&console.log(t)}catch(e){}}var o,i=t("ee"),a=t(32),s={};try{o=localStorage.getItem("__nr_flags").split(","),console&&"function"==typeof console.log&&(s.console=!0,o.indexOf("dev")!==-1&&(s.dev=!0),o.indexOf("nr_dev")!==-1&&(s.nrDev=!0))}catch(c){}s.nrDev&&i.on("internal-error",function(t){r(t.stack)}),s.dev&&i.on("fn-err",function(t,e,n){r(n.stack)}),s.dev&&(r("NR AGENT IN DEVELOPMENT MODE"),r("flags: "+a(s,function(t,e){return t}).join(", ")))},{}],2:[function(t,e,n){function r(t,e,n,r,s){try{l?l-=1:o(s||new UncaughtException(t,e,n),!0)}catch(f){try{i("ierr",[f,c.now(),!0])}catch(d){}}return"function"==typeof u&&u.apply(this,a(arguments))}function UncaughtException(t,e,n){this.message=t||"Uncaught error with no additional information",this.sourceURL=e,this.line=n}function o(t,e){var n=e?null:c.now();i("err",[t,n])}var i=t("handle"),a=t(33),s=t("ee"),c=t("loader"),f=t("gos"),u=window.onerror,d=!1,p="nr@seenError";if(!c.disabled){var l=0;c.features.err=!0,t(1),window.onerror=r;try{throw new Error}catch(h){"stack"in h&&(t(14),t(13),"addEventListener"in window&&t(7),c.xhrWrappable&&t(15),d=!0)}s.on("fn-start",function(t,e,n){d&&(l+=1)}),s.on("fn-err",function(t,e,n){d&&!n[p]&&(f(n,p,function(){return!0}),this.thrown=!0,o(n))}),s.on("fn-end",function(){d&&!this.thrown&&l>0&&(l-=1)}),s.on("internal-error",function(t){i("ierr",[t,c.now(),!0])})}},{}],3:[function(t,e,n){var r=t("loader");r.disabled||(r.features.ins=!0)},{}],4:[function(t,e,n){function r(){U++,L=g.hash,this[u]=y.now()}function o(){U--,g.hash!==L&&i(0,!0);var t=y.now();this[h]=~~this[h]+t-this[u],this[d]=t}function i(t,e){E.emit("newURL",[""+g,e])}function a(t,e){t.on(e,function(){this[e]=y.now()})}var s="-start",c="-end",f="-body",u="fn"+s,d="fn"+c,p="cb"+s,l="cb"+c,h="jsTime",m="fetch",v="addEventListener",w=window,g=w.location,y=t("loader");if(w[v]&&y.xhrWrappable&&!y.disabled){var x=t(11),b=t(12),E=t(9),R=t(7),O=t(14),T=t(8),S=t(15),P=t(10),M=t("ee"),C=M.get("tracer"),N=t(23);t(17),y.features.spa=!0;var L,U=0;M.on(u,r),b.on(p,r),P.on(p,r),M.on(d,o),b.on(l,o),P.on(l,o),M.buffer([u,d,"xhr-resolved"]),R.buffer([u]),O.buffer(["setTimeout"+c,"clearTimeout"+s,u]),S.buffer([u,"new-xhr","send-xhr"+s]),T.buffer([m+s,m+"-done",m+f+s,m+f+c]),E.buffer(["newURL"]),x.buffer([u]),b.buffer(["propagate",p,l,"executor-err","resolve"+s]),C.buffer([u,"no-"+u]),P.buffer(["new-jsonp","cb-start","jsonp-error","jsonp-end"]),a(T,m+s),a(T,m+"-done"),a(P,"new-jsonp"),a(P,"jsonp-end"),a(P,"cb-start"),E.on("pushState-end",i),E.on("replaceState-end",i),w[v]("hashchange",i,N(!0)),w[v]("load",i,N(!0)),w[v]("popstate",function(){i(0,U>1)},N(!0))}},{}],5:[function(t,e,n){function r(){var t=new PerformanceObserver(function(t,e){var n=t.getEntries();s(v,[n])});try{t.observe({entryTypes:["resource"]})}catch(e){}}function o(t){if(s(v,[window.performance.getEntriesByType(w)]),window.performance["c"+p])try{window.performance[h](m,o,!1)}catch(t){}else try{window.performance[h]("webkit"+m,o,!1)}catch(t){}}function i(t){}if(window.performance&&window.performance.timing&&window.performance.getEntriesByType){var a=t("ee"),s=t("handle"),c=t(14),f=t(13),u=t(6),d=t(23),p="learResourceTimings",l="addEventListener",h="removeEventListener",m="resourcetimingbufferfull",v="bstResource",w="resource",g="-start",y="-end",x="fn"+g,b="fn"+y,E="bstTimer",R="pushState",O=t("loader");if(!O.disabled){O.features.stn=!0,t(9),"addEventListener"in window&&t(7);var T=NREUM.o.EV;a.on(x,function(t,e){var n=t[0];n instanceof T&&(this.bstStart=O.now())}),a.on(b,function(t,e){var n=t[0];n instanceof T&&s("bst",[n,e,this.bstStart,O.now()])}),c.on(x,function(t,e,n){this.bstStart=O.now(),this.bstType=n}),c.on(b,function(t,e){s(E,[e,this.bstStart,O.now(),this.bstType])}),f.on(x,function(){this.bstStart=O.now()}),f.on(b,function(t,e){s(E,[e,this.bstStart,O.now(),"requestAnimationFrame"])}),a.on(R+g,function(t){this.time=O.now(),this.startPath=location.pathname+location.hash}),a.on(R+y,function(t){s("bstHist",[location.pathname+location.hash,this.startPath,this.time])}),u()?(s(v,[window.performance.getEntriesByType("resource")]),r()):l in window.performance&&(window.performance["c"+p]?window.performance[l](m,o,d(!1)):window.performance[l]("webkit"+m,o,d(!1))),document[l]("scroll",i,d(!1)),document[l]("keypress",i,d(!1)),document[l]("click",i,d(!1))}}},{}],6:[function(t,e,n){e.exports=function(){return"PerformanceObserver"in window&&"function"==typeof window.PerformanceObserver}},{}],7:[function(t,e,n){function r(t){for(var e=t;e&&!e.hasOwnProperty(u);)e=Object.getPrototypeOf(e);e&&o(e)}function o(t){s.inPlace(t,[u,d],"-",i)}function i(t,e){return t[1]}var a=t("ee").get("events"),s=t("wrap-function")(a,!0),c=t("gos"),f=XMLHttpRequest,u="addEventListener",d="removeEventListener";e.exports=a,"getPrototypeOf"in Object?(r(document),r(window),r(f.prototype)):f.prototype.hasOwnProperty(u)&&(o(window),o(f.prototype)),a.on(u+"-start",function(t,e){var n=t[1];if(null!==n&&("function"==typeof n||"object"==typeof n)){var r=c(n,"nr@wrapped",function(){function t(){if("function"==typeof n.handleEvent)return n.handleEvent.apply(n,arguments)}var e={object:t,"function":n}[typeof n];return e?s(e,"fn-",null,e.name||"anonymous"):n});this.wrapped=t[1]=r}}),a.on(d+"-start",function(t){t[1]=this.wrapped||t[1]})},{}],8:[function(t,e,n){function r(t,e,n){var r=t[e];"function"==typeof r&&(t[e]=function(){var t=i(arguments),e={};o.emit(n+"before-start",[t],e);var a;e[m]&&e[m].dt&&(a=e[m].dt);var s=r.apply(this,t);return o.emit(n+"start",[t,a],s),s.then(function(t){return o.emit(n+"end",[null,t],s),t},function(t){throw o.emit(n+"end",[t],s),t})})}var o=t("ee").get("fetch"),i=t(33),a=t(32);e.exports=o;var s=window,c="fetch-",f=c+"body-",u=["arrayBuffer","blob","json","text","formData"],d=s.Request,p=s.Response,l=s.fetch,h="prototype",m="nr@context";d&&p&&l&&(a(u,function(t,e){r(d[h],e,f),r(p[h],e,f)}),r(s,"fetch",c),o.on(c+"end",function(t,e){var n=this;if(e){var r=e.headers.get("content-length");null!==r&&(n.rxSize=r),o.emit(c+"done",[null,e],n)}else o.emit(c+"done",[t],n)}))},{}],9:[function(t,e,n){var r=t("ee").get("history"),o=t("wrap-function")(r);e.exports=r;var i=window.history&&window.history.constructor&&window.history.constructor.prototype,a=window.history;i&&i.pushState&&i.replaceState&&(a=i),o.inPlace(a,["pushState","replaceState"],"-")},{}],10:[function(t,e,n){function r(t){function e(){f.emit("jsonp-end",[],l),t.removeEventListener("load",e,c(!1)),t.removeEventListener("error",n,c(!1))}function n(){f.emit("jsonp-error",[],l),f.emit("jsonp-end",[],l),t.removeEventListener("load",e,c(!1)),t.removeEventListener("error",n,c(!1))}var r=t&&"string"==typeof t.nodeName&&"script"===t.nodeName.toLowerCase();if(r){var o="function"==typeof t.addEventListener;if(o){var a=i(t.src);if(a){var d=s(a),p="function"==typeof d.parent[d.key];if(p){var l={};u.inPlace(d.parent,[d.key],"cb-",l),t.addEventListener("load",e,c(!1)),t.addEventListener("error",n,c(!1)),f.emit("new-jsonp",[t.src],l)}}}}}function o(){return"addEventListener"in window}function i(t){var e=t.match(d);return e?e[1]:null}function a(t,e){var n=t.match(l),r=n[1],o=n[3];return o?a(o,e[r]):e[r]}function s(t){var e=t.match(p);return e&&e.length>=3?{key:e[2],parent:a(e[1],window)}:{key:t,parent:window}}var c=t(23),f=t("ee").get("jsonp"),u=t("wrap-function")(f);if(e.exports=f,o()){var d=/[?&](?:callback|cb)=([^&#]+)/,p=/(.*)\.([^.]+)/,l=/^(\w+)(\.|$)(.*)$/,h=["appendChild","insertBefore","replaceChild"];Node&&Node.prototype&&Node.prototype.appendChild?u.inPlace(Node.prototype,h,"dom-"):(u.inPlace(HTMLElement.prototype,h,"dom-"),u.inPlace(HTMLHeadElement.prototype,h,"dom-"),u.inPlace(HTMLBodyElement.prototype,h,"dom-")),f.on("dom-start",function(t){r(t[0])})}},{}],11:[function(t,e,n){var r=t("ee").get("mutation"),o=t("wrap-function")(r),i=NREUM.o.MO;e.exports=r,i&&(window.MutationObserver=function(t){return this instanceof i?new i(o(t,"fn-")):i.apply(this,arguments)},MutationObserver.prototype=i.prototype)},{}],12:[function(t,e,n){function r(t){var e=i.context(),n=s(t,"executor-",e,null,!1),r=new f(n);return i.context(r).getCtx=function(){return e},r}var o=t("wrap-function"),i=t("ee").get("promise"),a=t("ee").getOrSetContext,s=o(i),c=t(32),f=NREUM.o.PR;e.exports=i,f&&(window.Promise=r,["all","race"].forEach(function(t){var e=f[t];f[t]=function(n){function r(t){return function(){i.emit("propagate",[null,!o],a,!1,!1),o=o||!t}}var o=!1;c(n,function(e,n){Promise.resolve(n).then(r("all"===t),r(!1))});var a=e.apply(f,arguments),s=f.resolve(a);return s}}),["resolve","reject"].forEach(function(t){var e=f[t];f[t]=function(t){var n=e.apply(f,arguments);return t!==n&&i.emit("propagate",[t,!0],n,!1,!1),n}}),f.prototype["catch"]=function(t){return this.then(null,t)},f.prototype=Object.create(f.prototype,{constructor:{value:r}}),c(Object.getOwnPropertyNames(f),function(t,e){try{r[e]=f[e]}catch(n){}}),o.wrapInPlace(f.prototype,"then",function(t){return function(){var e=this,n=o.argsToArray.apply(this,arguments),r=a(e);r.promise=e,n[0]=s(n[0],"cb-",r,null,!1),n[1]=s(n[1],"cb-",r,null,!1);var c=t.apply(this,n);return r.nextPromise=c,i.emit("propagate",[e,!0],c,!1,!1),c}}),i.on("executor-start",function(t){t[0]=s(t[0],"resolve-",this,null,!1),t[1]=s(t[1],"resolve-",this,null,!1)}),i.on("executor-err",function(t,e,n){t[1](n)}),i.on("cb-end",function(t,e,n){i.emit("propagate",[n,!0],this.nextPromise,!1,!1)}),i.on("propagate",function(t,e,n){this.getCtx&&!e||(this.getCtx=function(){if(t instanceof Promise)var e=i.context(t);return e&&e.getCtx?e.getCtx():this})}),r.toString=function(){return""+f})},{}],13:[function(t,e,n){var r=t("ee").get("raf"),o=t("wrap-function")(r),i="equestAnimationFrame";e.exports=r,o.inPlace(window,["r"+i,"mozR"+i,"webkitR"+i,"msR"+i],"raf-"),r.on("raf-start",function(t){t[0]=o(t[0],"fn-")})},{}],14:[function(t,e,n){function r(t,e,n){t[0]=a(t[0],"fn-",null,n)}function o(t,e,n){this.method=n,this.timerDuration=isNaN(t[1])?0:+t[1],t[0]=a(t[0],"fn-",this,n)}var i=t("ee").get("timer"),a=t("wrap-function")(i),s="setTimeout",c="setInterval",f="clearTimeout",u="-start",d="-";e.exports=i,a.inPlace(window,[s,"setImmediate"],s+d),a.inPlace(window,[c],c+d),a.inPlace(window,[f,"clearImmediate"],f+d),i.on(c+u,r),i.on(s+u,o)},{}],15:[function(t,e,n){function r(t,e){d.inPlace(e,["onreadystatechange"],"fn-",s)}function o(){var t=this,e=u.context(t);t.readyState>3&&!e.resolved&&(e.resolved=!0,u.emit("xhr-resolved",[],t)),d.inPlace(t,y,"fn-",s)}function i(t){x.push(t),m&&(E?E.then(a):w?w(a):(R=-R,O.data=R))}function a(){for(var t=0;t<x.length;t++)r([],x[t]);x.length&&(x=[])}function s(t,e){return e}function c(t,e){for(var n in t)e[n]=t[n];return e}t(7);var f=t("ee"),u=f.get("xhr"),d=t("wrap-function")(u),p=t(23),l=NREUM.o,h=l.XHR,m=l.MO,v=l.PR,w=l.SI,g="readystatechange",y=["onload","onerror","onabort","onloadstart","onloadend","onprogress","ontimeout"],x=[];e.exports=u;var b=window.XMLHttpRequest=function(t){var e=new h(t);try{u.emit("new-xhr",[e],e),e.addEventListener(g,o,p(!1))}catch(n){try{u.emit("internal-error",[n])}catch(r){}}return e};if(c(h,b),b.prototype=h.prototype,d.inPlace(b.prototype,["open","send"],"-xhr-",s),u.on("send-xhr-start",function(t,e){r(t,e),i(e)}),u.on("open-xhr-start",r),m){var E=v&&v.resolve();if(!w&&!v){var R=1,O=document.createTextNode(R);new m(a).observe(O,{characterData:!0})}}else f.on("fn-end",function(t){t[0]&&t[0].type===g||a()})},{}],16:[function(t,e,n){function r(t){if(!s(t))return null;var e=window.NREUM;if(!e.loader_config)return null;var n=(e.loader_config.accountID||"").toString()||null,r=(e.loader_config.agentID||"").toString()||null,f=(e.loader_config.trustKey||"").toString()||null;if(!n||!r)return null;var h=l.generateSpanId(),m=l.generateTraceId(),v=Date.now(),w={spanId:h,traceId:m,timestamp:v};return(t.sameOrigin||c(t)&&p())&&(w.traceContextParentHeader=o(h,m),w.traceContextStateHeader=i(h,v,n,r,f)),(t.sameOrigin&&!u()||!t.sameOrigin&&c(t)&&d())&&(w.newrelicHeader=a(h,m,v,n,r,f)),w}function o(t,e){return"00-"+e+"-"+t+"-01"}function i(t,e,n,r,o){var i=0,a="",s=1,c="",f="";return o+"@nr="+i+"-"+s+"-"+n+"-"+r+"-"+t+"-"+a+"-"+c+"-"+f+"-"+e}function a(t,e,n,r,o,i){var a="btoa"in window&&"function"==typeof window.btoa;if(!a)return null;var s={v:[0,1],d:{ty:"Browser",ac:r,ap:o,id:t,tr:e,ti:n}};return i&&r!==i&&(s.d.tk=i),btoa(JSON.stringify(s))}function s(t){return f()&&c(t)}function c(t){var e=!1,n={};if("init"in NREUM&&"distributed_tracing"in NREUM.init&&(n=NREUM.init.distributed_tracing),t.sameOrigin)e=!0;else if(n.allowed_origins instanceof Array)for(var r=0;r<n.allowed_origins.length;r++){var o=h(n.allowed_origins[r]);if(t.hostname===o.hostname&&t.protocol===o.protocol&&t.port===o.port){e=!0;break}}return e}function f(){return"init"in NREUM&&"distributed_tracing"in NREUM.init&&!!NREUM.init.distributed_tracing.enabled}function u(){return"init"in NREUM&&"distributed_tracing"in NREUM.init&&!!NREUM.init.distributed_tracing.exclude_newrelic_header}function d(){return"init"in NREUM&&"distributed_tracing"in NREUM.init&&NREUM.init.distributed_tracing.cors_use_newrelic_header!==!1}function p(){return"init"in NREUM&&"distributed_tracing"in NREUM.init&&!!NREUM.init.distributed_tracing.cors_use_tracecontext_headers}var l=t(29),h=t(18);e.exports={generateTracePayload:r,shouldGenerateTrace:s}},{}],17:[function(t,e,n){function r(t){var e=this.params,n=this.metrics;if(!this.ended){this.ended=!0;for(var r=0;r<p;r++)t.removeEventListener(d[r],this.listener,!1);return e.protocol&&"data"===e.protocol?void g("Ajax/DataUrl/Excluded"):void(e.aborted||(n.duration=a.now()-this.startTime,this.loadCaptureCalled||4!==t.readyState?null==e.status&&(e.status=0):i(this,t),n.cbTime=this.cbTime,s("xhr",[e,n,this.startTime,this.endTime,"xhr"],this)))}}function o(t,e){var n=c(e),r=t.params;r.hostname=n.hostname,r.port=n.port,r.protocol=n.protocol,r.host=n.hostname+":"+n.port,r.pathname=n.pathname,t.parsedOrigin=n,t.sameOrigin=n.sameOrigin}function i(t,e){t.params.status=e.status;var n=v(e,t.lastSize);if(n&&(t.metrics.rxSize=n),t.sameOrigin){var r=e.getResponseHeader("X-NewRelic-App-Data");r&&(t.params.cat=r.split(", ").pop())}t.loadCaptureCalled=!0}var a=t("loader");if(a.xhrWrappable&&!a.disabled){var s=t("handle"),c=t(18),f=t(16).generateTracePayload,u=t("ee"),d=["load","error","abort","timeout"],p=d.length,l=t("id"),h=t(24),m=t(22),v=t(19),w=t(23),g=t(25).recordSupportability,y=NREUM.o.REQ,x=window.XMLHttpRequest;a.features.xhr=!0,t(15),t(8),u.on("new-xhr",function(t){var e=this;e.totalCbs=0,e.called=0,e.cbTime=0,e.end=r,e.ended=!1,e.xhrGuids={},e.lastSize=null,e.loadCaptureCalled=!1,e.params=this.params||{},e.metrics=this.metrics||{},t.addEventListener("load",function(n){i(e,t)},w(!1)),h&&(h>34||h<10)||t.addEventListener("progress",function(t){e.lastSize=t.loaded},w(!1))}),u.on("open-xhr-start",function(t){this.params={method:t[0]},o(this,t[1]),this.metrics={}}),u.on("open-xhr-end",function(t,e){"loader_config"in NREUM&&"xpid"in NREUM.loader_config&&this.sameOrigin&&e.setRequestHeader("X-NewRelic-ID",NREUM.loader_config.xpid);var n=f(this.parsedOrigin);if(n){var r=!1;n.newrelicHeader&&(e.setRequestHeader("newrelic",n.newrelicHeader),r=!0),n.traceContextParentHeader&&(e.setRequestHeader("traceparent",n.traceContextParentHeader),n.traceContextStateHeader&&e.setRequestHeader("tracestate",n.traceContextStateHeader),r=!0),r&&(this.dt=n)}}),u.on("send-xhr-start",function(t,e){var n=this.metrics,r=t[0],o=this;if(n&&r){var i=m(r);i&&(n.txSize=i)}this.startTime=a.now(),this.listener=function(t){try{"abort"!==t.type||o.loadCaptureCalled||(o.params.aborted=!0),("load"!==t.type||o.called===o.totalCbs&&(o.onloadCalled||"function"!=typeof e.onload))&&o.end(e)}catch(n){try{u.emit("internal-error",[n])}catch(r){}}};for(var s=0;s<p;s++)e.addEventListener(d[s],this.listener,w(!1))}),u.on("xhr-cb-time",function(t,e,n){this.cbTime+=t,e?this.onloadCalled=!0:this.called+=1,this.called!==this.totalCbs||!this.onloadCalled&&"function"==typeof n.onload||this.end(n)}),u.on("xhr-load-added",function(t,e){var n=""+l(t)+!!e;this.xhrGuids&&!this.xhrGuids[n]&&(this.xhrGuids[n]=!0,this.totalCbs+=1)}),u.on("xhr-load-removed",function(t,e){var n=""+l(t)+!!e;this.xhrGuids&&this.xhrGuids[n]&&(delete this.xhrGuids[n],this.totalCbs-=1)}),u.on("xhr-resolved",function(){this.endTime=a.now()}),u.on("addEventListener-end",function(t,e){e instanceof x&&"load"===t[0]&&u.emit("xhr-load-added",[t[1],t[2]],e)}),u.on("removeEventListener-end",function(t,e){e instanceof x&&"load"===t[0]&&u.emit("xhr-load-removed",[t[1],t[2]],e)}),u.on("fn-start",function(t,e,n){e instanceof x&&("onload"===n&&(this.onload=!0),("load"===(t[0]&&t[0].type)||this.onload)&&(this.xhrCbStart=a.now()))}),u.on("fn-end",function(t,e){this.xhrCbStart&&u.emit("xhr-cb-time",[a.now()-this.xhrCbStart,this.onload,e],e)}),u.on("fetch-before-start",function(t){function e(t,e){var n=!1;return e.newrelicHeader&&(t.set("newrelic",e.newrelicHeader),n=!0),e.traceContextParentHeader&&(t.set("traceparent",e.traceContextParentHeader),e.traceContextStateHeader&&t.set("tracestate",e.traceContextStateHeader),n=!0),n}var n,r=t[1]||{};"string"==typeof t[0]?n=t[0]:t[0]&&t[0].url?n=t[0].url:window.URL&&t[0]&&t[0]instanceof URL&&(n=t[0].href),n&&(this.parsedOrigin=c(n),this.sameOrigin=this.parsedOrigin.sameOrigin);var o=f(this.parsedOrigin);if(o&&(o.newrelicHeader||o.traceContextParentHeader))if("string"==typeof t[0]||window.URL&&t[0]&&t[0]instanceof URL){var i={};for(var a in r)i[a]=r[a];i.headers=new Headers(r.headers||{}),e(i.headers,o)&&(this.dt=o),t.length>1?t[1]=i:t.push(i)}else t[0]&&t[0].headers&&e(t[0].headers,o)&&(this.dt=o)}),u.on("fetch-start",function(t,e){this.params={},this.metrics={},this.startTime=a.now(),this.dt=e,t.length>=1&&(this.target=t[0]),t.length>=2&&(this.opts=t[1]);var n,r=this.opts||{},i=this.target;if("string"==typeof i?n=i:"object"==typeof i&&i instanceof y?n=i.url:window.URL&&"object"==typeof i&&i instanceof URL&&(n=i.href),o(this,n),"data"!==this.params.protocol){var s=(""+(i&&i instanceof y&&i.method||r.method||"GET")).toUpperCase();this.params.method=s,this.txSize=m(r.body)||0}}),u.on("fetch-done",function(t,e){if(this.endTime=a.now(),this.params||(this.params={}),"data"===this.params.protocol)return void g("Ajax/DataUrl/Excluded");this.params.status=e?e.status:0;var n;"string"==typeof this.rxSize&&this.rxSize.length>0&&(n=+this.rxSize);var r={txSize:this.txSize,rxSize:n,duration:a.now()-this.startTime};s("xhr",[this.params,r,this.startTime,this.endTime,"fetch"],this)})}},{}],18:[function(t,e,n){var r={};e.exports=function(t){if(t in r)return r[t];if(0===(t||"").indexOf("data:"))return{protocol:"data"};var e=document.createElement("a"),n=window.location,o={};e.href=t,o.port=e.port;var i=e.href.split("://");!o.port&&i[1]&&(o.port=i[1].split("/")[0].split("@").pop().split(":")[1]),o.port&&"0"!==o.port||(o.port="https"===i[0]?"443":"80"),o.hostname=e.hostname||n.hostname,o.pathname=e.pathname,o.protocol=i[0],"/"!==o.pathname.charAt(0)&&(o.pathname="/"+o.pathname);var a=!e.protocol||":"===e.protocol||e.protocol===n.protocol,s=e.hostname===document.domain&&e.port===n.port;return o.sameOrigin=a&&(!e.hostname||s),"/"===o.pathname&&(r[t]=o),o}},{}],19:[function(t,e,n){function r(t,e){var n=t.responseType;return"json"===n&&null!==e?e:"arraybuffer"===n||"blob"===n||"json"===n?o(t.response):"text"===n||""===n||void 0===n?o(t.responseText):void 0}var o=t(22);e.exports=r},{}],20:[function(t,e,n){function r(){}function o(t,e,n,r){return function(){return u.recordSupportability("API/"+e+"/called"),i(t+e,[f.now()].concat(s(arguments)),n?null:this,r),n?void 0:this}}var i=t("handle"),a=t(32),s=t(33),c=t("ee").get("tracer"),f=t("loader"),u=t(25),d=NREUM;"undefined"==typeof window.newrelic&&(newrelic=d);var p=["setPageViewName","setCustomAttribute","setErrorHandler","finished","addToTrace","inlineHit","addRelease"],l="api-",h=l+"ixn-";a(p,function(t,e){d[e]=o(l,e,!0,"api")}),d.addPageAction=o(l,"addPageAction",!0),d.setCurrentRouteName=o(l,"routeName",!0),e.exports=newrelic,d.interaction=function(){return(new r).get()};var m=r.prototype={createTracer:function(t,e){var n={},r=this,o="function"==typeof e;return i(h+"tracer",[f.now(),t,n],r),function(){if(c.emit((o?"":"no-")+"fn-start",[f.now(),r,o],n),o)try{return e.apply(this,arguments)}catch(t){throw c.emit("fn-err",[arguments,this,t],n),t}finally{c.emit("fn-end",[f.now()],n)}}}};a("actionText,setName,setAttribute,save,ignore,onEnd,getContext,end,get".split(","),function(t,e){m[e]=o(h,e)}),newrelic.noticeError=function(t,e){"string"==typeof t&&(t=new Error(t)),u.recordSupportability("API/noticeError/called"),i("err",[t,f.now(),!1,e])}},{}],21:[function(t,e,n){function r(t){if(NREUM.init){for(var e=NREUM.init,n=t.split("."),r=0;r<n.length-1;r++)if(e=e[n[r]],"object"!=typeof e)return;return e=e[n[n.length-1]]}}e.exports={getConfiguration:r}},{}],22:[function(t,e,n){e.exports=function(t){if("string"==typeof t&&t.length)return t.length;if("object"==typeof t){if("undefined"!=typeof ArrayBuffer&&t instanceof ArrayBuffer&&t.byteLength)return t.byteLength;if("undefined"!=typeof Blob&&t instanceof Blob&&t.size)return t.size;if(!("undefined"!=typeof FormData&&t instanceof FormData))try{return JSON.stringify(t).length}catch(e){return}}}},{}],23:[function(t,e,n){var r=!1;try{var o=Object.defineProperty({},"passive",{get:function(){r=!0}});window.addEventListener("testPassive",null,o),window.removeEventListener("testPassive",null,o)}catch(i){}e.exports=function(t){return r?{passive:!0,capture:!!t}:!!t}},{}],24:[function(t,e,n){var r=0,o=navigator.userAgent.match(/Firefox[\/\s](\d+\.\d+)/);o&&(r=+o[1]),e.exports=r},{}],25:[function(t,e,n){function r(t,e){var n=[a,t,{name:t},e];return i("storeMetric",n,null,"api"),n}function o(t,e){var n=[s,t,{name:t},e];return i("storeEventMetrics",n,null,"api"),n}var i=t("handle"),a="sm",s="cm";e.exports={constants:{SUPPORTABILITY_METRIC:a,CUSTOM_METRIC:s},recordSupportability:r,recordCustom:o}},{}],26:[function(t,e,n){function r(){return s.exists&&performance.now?Math.round(performance.now()):(i=Math.max((new Date).getTime(),i))-a}function o(){return i}var i=(new Date).getTime(),a=i,s=t(34);e.exports=r,e.exports.offset=a,e.exports.getLastTimestamp=o},{}],27:[function(t,e,n){function r(t){return!(!t||!t.protocol||"file:"===t.protocol)}e.exports=r},{}],28:[function(t,e,n){function r(t,e){var n=t.getEntries();n.forEach(function(t){"first-paint"===t.name?l("timing",["fp",Math.floor(t.startTime)]):"first-contentful-paint"===t.name&&l("timing",["fcp",Math.floor(t.startTime)])})}function o(t,e){var n=t.getEntries();if(n.length>0){var r=n[n.length-1];if(f&&f<r.startTime)return;var o=[r],i=a({});i&&o.push(i),l("lcp",o)}}function i(t){t.getEntries().forEach(function(t){t.hadRecentInput||l("cls",[t])})}function a(t){var e=navigator.connection||navigator.mozConnection||navigator.webkitConnection;if(e)return e.type&&(t["net-type"]=e.type),e.effectiveType&&(t["net-etype"]=e.effectiveType),e.rtt&&(t["net-rtt"]=e.rtt),e.downlink&&(t["net-dlink"]=e.downlink),t}function s(t){if(t instanceof w&&!y){var e=Math.round(t.timeStamp),n={type:t.type};a(n),e<=h.now()?n.fid=h.now()-e:e>h.offset&&e<=Date.now()?(e-=h.offset,n.fid=h.now()-e):e=h.now(),y=!0,l("timing",["fi",e,n])}}function c(t){"hidden"===t&&(f=h.now(),l("pageHide",[f]))}if(!("init"in NREUM&&"page_view_timing"in NREUM.init&&"enabled"in NREUM.init.page_view_timing&&NREUM.init.page_view_timing.enabled===!1)){var f,u,d,p,l=t("handle"),h=t("loader"),m=t(31),v=t(23),w=NREUM.o.EV;if("PerformanceObserver"in window&&"function"==typeof window.PerformanceObserver){u=new PerformanceObserver(r);try{u.observe({entryTypes:["paint"]})}catch(g){}d=new PerformanceObserver(o);try{d.observe({entryTypes:["largest-contentful-paint"]})}catch(g){}p=new PerformanceObserver(i);try{p.observe({type:"layout-shift",buffered:!0})}catch(g){}}if("addEventListener"in document){var y=!1,x=["click","keydown","mousedown","pointerdown","touchstart"];x.forEach(function(t){document.addEventListener(t,s,v(!1))})}m(c)}},{}],29:[function(t,e,n){function r(){function t(){return e?15&e[n++]:16*Math.random()|0}var e=null,n=0,r=window.crypto||window.msCrypto;r&&r.getRandomValues&&(e=r.getRandomValues(new Uint8Array(31)));for(var o,i="xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx",a="",s=0;s<i.length;s++)o=i[s],"x"===o?a+=t().toString(16):"y"===o?(o=3&t()|8,a+=o.toString(16)):a+=o;return a}function o(){return a(16)}function i(){return a(32)}function a(t){function e(){return n?15&n[r++]:16*Math.random()|0}var n=null,r=0,o=window.crypto||window.msCrypto;o&&o.getRandomValues&&Uint8Array&&(n=o.getRandomValues(new Uint8Array(31)));for(var i=[],a=0;a<t;a++)i.push(e().toString(16));return i.join("")}e.exports={generateUuid:r,generateSpanId:o,generateTraceId:i}},{}],30:[function(t,e,n){function r(t,e){if(!o)return!1;if(t!==o)return!1;if(!e)return!0;if(!i)return!1;for(var n=i.split("."),r=e.split("."),a=0;a<r.length;a++)if(r[a]!==n[a])return!1;return!0}var o=null,i=null,a=/Version\/(\S+)\s+Safari/;if(navigator.userAgent){var s=navigator.userAgent,c=s.match(a);c&&s.indexOf("Chrome")===-1&&s.indexOf("Chromium")===-1&&(o="Safari",i=c[1])}e.exports={agent:o,version:i,match:r}},{}],31:[function(t,e,n){function r(t){function e(){t(s&&document[s]?document[s]:document[i]?"hidden":"visible")}"addEventListener"in document&&a&&document.addEventListener(a,e,o(!1))}var o=t(23);e.exports=r;var i,a,s;"undefined"!=typeof document.hidden?(i="hidden",a="visibilitychange",s="visibilityState"):"undefined"!=typeof document.msHidden?(i="msHidden",a="msvisibilitychange"):"undefined"!=typeof document.webkitHidden&&(i="webkitHidden",a="webkitvisibilitychange",s="webkitVisibilityState")},{}],32:[function(t,e,n){function r(t,e){var n=[],r="",i=0;for(r in t)o.call(t,r)&&(n[i]=e(r,t[r]),i+=1);return n}var o=Object.prototype.hasOwnProperty;e.exports=r},{}],33:[function(t,e,n){function r(t,e,n){e||(e=0),"undefined"==typeof n&&(n=t?t.length:0);for(var r=-1,o=n-e||0,i=Array(o<0?0:o);++r<o;)i[r]=t[e+r];return i}e.exports=r},{}],34:[function(t,e,n){e.exports={exists:"undefined"!=typeof window.performance&&window.performance.timing&&"undefined"!=typeof window.performance.timing.navigationStart}},{}],ee:[function(t,e,n){function r(){}function o(t){function e(t){return t&&t instanceof r?t:t?f(t,c,a):a()}function n(n,r,o,i,a){if(a!==!1&&(a=!0),!l.aborted||i){t&&a&&t(n,r,o);for(var s=e(o),c=m(n),f=c.length,u=0;u<f;u++)c[u].apply(s,r);var p=d[y[n]];return p&&p.push([x,n,r,s]),s}}function i(t,e){g[t]=m(t).concat(e)}function h(t,e){var n=g[t];if(n)for(var r=0;r<n.length;r++)n[r]===e&&n.splice(r,1)}function m(t){return g[t]||[]}function v(t){return p[t]=p[t]||o(n)}function w(t,e){l.aborted||u(t,function(t,n){e=e||"feature",y[n]=e,e in d||(d[e]=[])})}var g={},y={},x={on:i,addEventListener:i,removeEventListener:h,emit:n,get:v,listeners:m,context:e,buffer:w,abort:s,aborted:!1};return x}function i(t){return f(t,c,a)}function a(){return new r}function s(){(d.api||d.feature)&&(l.aborted=!0,d=l.backlog={})}var c="nr@context",f=t("gos"),u=t(32),d={},p={},l=e.exports=o();e.exports.getOrSetContext=i,l.backlog=d},{}],gos:[function(t,e,n){function r(t,e,n){if(o.call(t,e))return t[e];var r=n();if(Object.defineProperty&&Object.keys)try{return Object.defineProperty(t,e,{value:r,writable:!0,enumerable:!1}),r}catch(i){}return t[e]=r,r}var o=Object.prototype.hasOwnProperty;e.exports=r},{}],handle:[function(t,e,n){function r(t,e,n,r){o.buffer([t],r),o.emit(t,e,n)}var o=t("ee").get("handle");e.exports=r,r.ee=o},{}],id:[function(t,e,n){function r(t){var e=typeof t;return!t||"object"!==e&&"function"!==e?-1:t===window?0:a(t,i,function(){return o++})}var o=1,i="nr@id",a=t("gos");e.exports=r},{}],loader:[function(t,e,n){function r(){if(!S++){var t=T.info=NREUM.info,e=v.getElementsByTagName("script")[0];if(setTimeout(f.abort,3e4),!(t&&t.licenseKey&&t.applicationID&&e))return f.abort();c(R,function(e,n){t[e]||(t[e]=n)});var n=a();s("mark",["onload",n+T.offset],null,"api"),s("timing",["load",n]);var r=v.createElement("script");0===t.agent.indexOf("http://")||0===t.agent.indexOf("https://")?r.src=t.agent:r.src=h+"://"+t.agent,e.parentNode.insertBefore(r,e)}}function o(){"complete"===v.readyState&&i()}function i(){s("mark",["domContent",a()+T.offset],null,"api")}var a=t(26),s=t("handle"),c=t(32),f=t("ee"),u=t(30),d=t(27),p=t(21),l=t(23),h=p.getConfiguration("ssl")===!1?"http":"https",m=window,v=m.document,w="addEventListener",g="attachEvent",y=m.XMLHttpRequest,x=y&&y.prototype,b=!d(m.location);NREUM.o={ST:setTimeout,SI:m.setImmediate,CT:clearTimeout,XHR:y,REQ:m.Request,EV:m.Event,PR:m.Promise,MO:m.MutationObserver};var E=""+location,R={beacon:"bam.nr-data.net",errorBeacon:"bam.nr-data.net",agent:"js-agent.newrelic.com/nr-spa-1215.min.js"},O=y&&x&&x[w]&&!/CriOS/.test(navigator.userAgent),T=e.exports={offset:a.getLastTimestamp(),now:a,origin:E,features:{},xhrWrappable:O,userAgent:u,disabled:b};if(!b){t(20),t(28),v[w]?(v[w]("DOMContentLoaded",i,l(!1)),m[w]("load",r,l(!1))):(v[g]("onreadystatechange",o),m[g]("onload",r)),s("mark",["firstbyte",a.getLastTimestamp()],null,"api");var S=0}},{}],"wrap-function":[function(t,e,n){function r(t,e){function n(e,n,r,c,f){function nrWrapper(){var i,a,u,p;try{a=this,i=d(arguments),u="function"==typeof r?r(i,a):r||{}}catch(l){o([l,"",[i,a,c],u],t)}s(n+"start",[i,a,c],u,f);try{return p=e.apply(a,i)}catch(h){throw s(n+"err",[i,a,h],u,f),h}finally{s(n+"end",[i,a,p],u,f)}}return a(e)?e:(n||(n=""),nrWrapper[p]=e,i(e,nrWrapper,t),nrWrapper)}function r(t,e,r,o,i){r||(r="");var s,c,f,u="-"===r.charAt(0);for(f=0;f<e.length;f++)c=e[f],s=t[c],a(s)||(t[c]=n(s,u?c+r:r,o,c,i))}function s(n,r,i,a){if(!h||e){var s=h;h=!0;try{t.emit(n,r,i,e,a)}catch(c){o([c,n,r,i],t)}h=s}}return t||(t=u),n.inPlace=r,n.flag=p,n}function o(t,e){e||(e=u);try{e.emit("internal-error",t)}catch(n){}}function i(t,e,n){if(Object.defineProperty&&Object.keys)try{var r=Object.keys(t);return r.forEach(function(n){Object.defineProperty(e,n,{get:function(){return t[n]},set:function(e){return t[n]=e,e}})}),e}catch(i){o([i],n)}for(var a in t)l.call(t,a)&&(e[a]=t[a]);return e}function a(t){return!(t&&t instanceof Function&&t.apply&&!t[p])}function s(t,e){var n=e(t);return n[p]=t,i(t,n,u),n}function c(t,e,n){var r=t[e];t[e]=s(r,n)}function f(){for(var t=arguments.length,e=new Array(t),n=0;n<t;++n)e[n]=arguments[n];return e}var u=t("ee"),d=t(33),p="nr@original",l=Object.prototype.hasOwnProperty,h=!1;e.exports=r,e.exports.wrapFunction=s,e.exports.wrapInPlace=c,e.exports.argsToArray=f},{}]},{},["loader",2,17,5,3,4]); ;NREUM.loader_config={accountID:"2883957",trustKey:"2883957",agentID:"520756539",licenseKey:"NRJS-012b8030e06bfdc9233",applicationID:"520756539"} ;NREUM.info={beacon:"bam.nr-data.net",errorBeacon:"bam.nr-data.net",licenseKey:"NRJS-012b8030e06bfdc9233",applicationID:"520756539",sa:1} </script> <meta name="librarything_env" content="beta" /> <meta name="librarything_lang" content="" /> <meta name="librarything_product" content="lt2" /> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=5.0, user-scalable=1, viewport-fit=cover">  <link rel="preconnect" href="//image.librarything.com"/> <link rel="preconnect" href="//image.librarything.com" crossorigin/> <link rel="preconnect" href="//pics.cdn.librarything.com"/> <link rel="preconnect" href="//pics.cdn.librarything.com" crossorigin/> <link rel="preconnect" href="//images-na.ssl-images-amazon.com"/> <link rel="preconnect" href="//images-na.ssl-images-amazon.com" crossorigin/>  <link rel="dns-prefetch" href="//ajax.googleapis.com"/> <link rel="dns-prefetch" href="//ssl.google-analytics.com"/> <link rel="dns-prefetch" href="//books.google.com"/> <link rel="icon" href="/favicon_lt_32.ico" sizes="any" /><link rel="icon" href="/favicon_lt.svg" type="image/svg+xml"><link rel="apple-touch-icon" href="/apple-touch-icon.png">  <meta name="description" content="LibraryThing catalogs yours books online, easily, quickly and for free."/> <meta name="keywords" content="librarything, library, thing, catalog your books, catalogue your books, book cataloging, library, free book catalog, catalogue"/> <meta name="language" content="en"/> <meta name="apple-itunes-app" content="app-id=948824489"/> <meta name="google-play-app" content="app-id=com.librarything.librarything"/>  <meta property="fb:app_id" content="79305890602"/> <meta property="og:site_name" content="LibraryThing.com"/> <meta property="og:url" content="https://www.librarything.com"/> <meta property="og:title" content="MDS: 306.36 | LibraryThing"/> <meta property="og:type" content="website"/> <meta property="og:description" content="LibraryThing catalogs yours books online, easily, quickly and for free."/>  <meta name="twitter:card" content="summary"/> <meta name="twitter:site" content="@LibraryThing"/> <meta name="twitter:title" content="MDS: 306.36 | LibraryThing"/> <meta name="twitter:description" content="LibraryThing catalogs yours books online, easily, quickly and for free."/>  <link loadpriority="high" data-bundle="lt2_core" rel="stylesheet" href="https://image.librarything.com/css/bootstrap-3.3.4.min.css?v=3" type="text/css" /><link loadpriority="high" data-bundle="lt2_core" rel="stylesheet" href="https://www.librarything.com//css/lt2_vars.css?v=5297" type="text/css"><link loadpriority="high" data-bundle="lt2_core" rel="stylesheet" href="https://www.librarything.com//css/lt2_main.css?v=5297" type="text/css"><link loadpriority="high" data-bundle="lt2_core" rel="stylesheet" href="https://image.librarything.com/css/lt2_tabs.css?v=3" type="text/css" /><link loadpriority="high" data-bundle="lt2_core" rel="stylesheet" href="https://www.librarything.com//css/lt2_forms.css?v=5297" type="text/css"><link loadpriority="high" data-bundle="lt2_core" rel="stylesheet" href="https://www.librarything.com//css/lt1.5_nav_bridge.css?v=5297" type="text/css"><link loadpriority="high" data-bundle="lt2_core" rel="stylesheet" href="https://www.librarything.com//css/lt2_main_grid.css?v=5297" type="text/css"><link loadpriority="high" data-bundle="lt2_core" rel="stylesheet" href="https://www.librarything.com//css/lt2_content.css?v=5297" type="text/css"><link loadpriority="high" data-bundle="lt2_core" rel="stylesheet" href="https://www.librarything.com//css/lt2_lt1_overrides.css?v=5297" type="text/css"><link loadpriority="high" data-bundle="lt2_core" rel="stylesheet" href="https://www.librarything.com//css/lt2_stylepicker_verdant_14.css?v=5297" type="text/css"><link loadpriority="high" data-bundle="lt2_core" rel="stylesheet" href="https://www.librarything.com//css/lt2_stylepicker_verdant_12.css?v=5297" type="text/css"><link loadpriority="high" data-bundle="lt2_core" rel="stylesheet" href="https://www.librarything.com//css/lt2_stylepicker_verdant_tight_12.css?v=5297" type="text/css"><link loadpriority="high" data-bundle="lt2_core" rel="stylesheet" href="https://www.librarything.com//css/lt2_stylepicker_system_14.css?v=5297" type="text/css"><link loadpriority="high" data-bundle="lt2_core" rel="stylesheet" href="https://www.librarything.com//css/lt2_stylepicker_system_15.css?v=5297" type="text/css"><link loadpriority="high" data-bundle="lt2_core" rel="stylesheet" href="https://www.librarything.com//css/lt2_stylepicker_georgia_14.css?v=5297" type="text/css"><link loadpriority="high" data-bundle="lt2_core" rel="stylesheet" href="https://www.librarything.com//css/lt2_stylepicker_system_large.css?v=5297" type="text/css"><link loadpriority="high" data-bundle="lt2_core" rel="stylesheet" href="https://www.librarything.com//css/lt2_stylepicker_atkinson_16.css?v=5297" type="text/css"><link loadpriority="high" data-bundle="lt2_core" rel="stylesheet" href="https://www.librarything.com//css/notifier_control.css?v=5297" type="text/css"><link loadpriority="high" data-bundle="lt2_core" rel="stylesheet" href="https://image.librarything.com/css/fontawesome6.4.2/css/all.min.css?v=3" type="text/css" /><link loadpriority="high" data-bundle="lt2_core" rel="stylesheet" href="https://image.librarything.com/css/lticon_fonts.css?v=3" type="text/css" /><link loadpriority="high" data-bundle="lt2_core" rel="stylesheet" href="https://www.librarything.com//css/jqueryui_autocomplete_lt2.css?v=5297" type="text/css"><link loadpriority="high" data-bundle="lt2_core" rel="stylesheet" href="https://image.librarything.com/css/toastify.css?v=3" type="text/css" /><link loadpriority="high" data-bundle="lt2_core" rel="stylesheet" href="https://www.librarything.com//css/lt2_toastify.css?v=5297" type="text/css"> <link loadpriority="high" data-bundle="lt2_deferred" rel="stylesheet" href="https://www.librarything.com//css/lt2_popup.css?v=5297" type="text/css"><link loadpriority="high" data-bundle="lt2_deferred" rel="stylesheet" href="https://www.librarything.com//css/lt2_stylepicker.css?v=5297" type="text/css"><link loadpriority="high" data-bundle="lt2_deferred" rel="stylesheet" href="https://www.librarything.com//css/lt_lightbox2020.css?v=5297" type="text/css"><link loadpriority="high" data-bundle="lt2_deferred" rel="stylesheet" href="https://www.librarything.com//css/addbooks_express.css?v=5297" type="text/css"> <link data-bundle="explore_classification" rel="stylesheet" href="https://www.librarything.com//css/newshelf.css?v=5297" type="text/css"><link data-bundle="explore_classification" rel="stylesheet" href="https://www.librarything.com//css/ddctable.css?v=5297" type="text/css"><link data-bundle="explore_classification" rel="stylesheet" href="https://www.librarything.com//commonknowledge/fwiki.css?v=5297" type="text/css"><link data-bundle="explore_classification" rel="stylesheet" href="https://www.librarything.com//css/ddc_charts.css?v=5297" type="text/css"> <style data-bundle="translated_css" type="text/css" ver="5297"> spoiler:before { content:"Spoiler (click to see)" !important; } spoiler.spoiled:before { content: "Spoiler" !important; } </style><script fetchpriority="high" src="https://image.librarything.com/js/jquery-3.7.1.min.js?v=2"></script><link rel="stylesheet" href="https://image.librarything.com/js/jquery-ui/jquery-ui-1.13.2/jquery-ui.min.css?v=2" /><script fetchpriority="high" src="https://image.librarything.com/js/jquery-ui/jquery-ui-1.13.2/jquery-ui.min.js?v=2"></script><script fetchpriority="high" src="https://image.librarything.com/js2/jquery.ui.touch-punch.min.js?v=2"></script><script defer data-bundle="IE11_cssvars_polyfill">window.MSInputMethodContext && document.documentMode && document.write('<script src="https://cdn.jsdelivr.net/gh/nuxodin/ie11CustomProperties@4.1.0/ie11CustomProperties.min.js"><\x2fscript>');</script><script defer data-bundle="iOSSafari_100vh_pollyfill"> try { var lt = lt || {}; } catch(err){} iOSSafari_100vh_pollyfill_setVh = () => { const vh = parseFloat((window.innerHeight * 0.01).toFixed(2)); document.documentElement.style.setProperty('--vh', `${vh}px`); document.documentElement.style.setProperty('--vh100', `${window.innerHeight}px`); return vh; }; window.addEventListener('load', iOSSafari_100vh_pollyfill_setVh); </script><script defer data-bundle="translated_js" type="text/javascript" fetchpriority="high" version="5297"> try { var LibraryThing = LibraryThing || {}; } catch(er){} LibraryThing.translated_vars_key = ""; LibraryThing._isLT2 = 1; LibraryThing.lt2_popup_style = "legacy"; LibraryThing.is_signed_in = 0; LibraryThing.isDevBox = 0; LibraryThing.loaded_translated_vars = 1; LibraryThing.servers = LibraryThing.servers || {}; LibraryThing.servers.image = "https://image.librarything.com"; LibraryThing.servers.pics = "https://pics.cdn.librarything.com/"; LibraryThing.ltstrings = LibraryThing.ltstrings || {}; LibraryThing.ltstrings.yes = "Yes"; LibraryThing.ltstrings.no = "No"; LibraryThing.ltstrings.save = "Save"; LibraryThing.ltstrings.cancel = "Cancel"; LibraryThing.ltstrings.savereview = "Save Review"; LibraryThing.ltstrings.saving = "saving"; LibraryThing.ltstrings.loading = "Loading..."; LibraryThing.ltstrings.confirm = "Confirm?"; LibraryThing.ltstrings.rejectAndDeleteAuthor = "Reject and delete this author?"; LibraryThing.ltstrings.referrer = ""; LibraryThing.ltstrings.areyousure = "Are you sure?"; LibraryThing.ltstrings.areyousure_immediate = "This item will be deleted immediately. Are you sure you want to delete this item?"; LibraryThing.ltstrings.getting_help = "Getting help..."; LibraryThing.ltstrings.alt_cover_image = "Cover Image"; LibraryThing.ltstrings.close = "Close"; LibraryThing.ltstrings.show_more_elipses = "Show more..."; LibraryThing.ltstrings.show_more = "Show More"; LibraryThing.ltstrings.show_less = "Show Less"; LibraryThing.ltstrings.show_all = "Show All"; LibraryThing.ltstrings.see_more_elipses = "See more..."; LibraryThing.ltstrings.see_more = "See More"; LibraryThing.ltstrings.see_less = "See Less"; LibraryThing.ltstrings.see_all = "See All"; LibraryThing.ltstrings.attempting_size_calc = "Attempting to calculate size"; LibraryThing.ltstrings.approximately = "approximately"; LibraryThing.ltstrings.deleteinventory = "Clear all inventory information for this collection?"; LibraryThing.ltstrings.abx_addbook = "Add Book"; LibraryThing.ltstrings.genre_flag_confirmation = "Flag this genre as egregiously wrong?"; LibraryThing.ltstrings.loader_messagesA = [ "Still Loading...", "A lot of thinking happening...", "It seems we may be here a while...", "Maybe you should start a book...", "In fact, maybe you should start writing a book...", "We have hit a writers block but we are still working on it..." ]; LibraryThing.ltstrings.datatables = { "emptyTable": "No data available in table", "info": "Showing _START_ to _END_ of _TOTAL_ entries", "infoEmpty": "Showing 0 to 0 of 0 entries", "infoFiltered": "(filtered from _MAX_ total entries)", "lengthMenu": "Show _MENU_ entries", "loadingRecords": "Loading...", "processing": "Processing...", "search": "Search:", "zeroRecords": "No matching records found", "paginate": { "first": "First", "last": "Last", "next": "Next", "previous": "Previous" }, "aria": { "sortAscending": ": activate to sort column ascending", "sortDescending": ": activate to sort column descending" } }; LibraryThing.ltstrings.recs = { "filter": { "tagRemove": "Are you sure you want to enter tag remove mode?", "tagReset": "Are you sure you want to reset your default tags?", } }; </script><script loadpriority="high" data-bundle="lt2_core" src="https://image.librarything.com/js2/lt2_jsinit.js" type="text/javascript" language="Javascript"></script><script loadpriority="high" data-bundle="lt2_core" src="https://image.librarything.com/js2/mmlog.js?v=2" type="text/javascript" language="Javascript"></script><script loadpriority="high" data-bundle="lt2_core" src="https://image.librarything.com/js/modernizr_lt.3.6.0010.js?v=2" type="text/javascript" language="Javascript"></script><script loadpriority="high" data-bundle="lt2_core" src="https://image.librarything.com/js/jquery.visible.js?v=2" type="text/javascript" language="Javascript"></script><script loadpriority="high" data-bundle="lt2_core" src="https://www.librarything.com//js2/lt2_basics.js?v=5297" type="text/javascript" language="Javascript"></script><script loadpriority="high" data-bundle="lt2_core" src="https://www.librarything.com//js2/lt2_main.js?v=5297" type="text/javascript" language="Javascript"></script><script loadpriority="high" data-bundle="lt2_core" src="https://www.librarything.com//js2/autocomplete.js?v=5297" type="text/javascript" language="Javascript"></script><script loadpriority="high" data-bundle="lt2_core" src="https://image.librarything.com/js2/toastify.js?v=2" type="text/javascript" language="Javascript"></script> </head><body data-gv="5297" data-product="lt2" data-lt2="1" data-observe-resizes data-fa_v="6" data-fa class="lt2 serifed_headers lt1nav explore classification ie6or7 ie7or8 ie ie7 " ><div id="skiptocontent"><a tabindex="0" href="#lt2_content">Skip to main content</a></div> <nav id="lt1_nav" role="navigation" aria-label="Main Navigation"><a class="anchor" name="top"></a><a class="anchor" name="t"></a><div id="masthead" class="ie6or7 ie7or8 ie ie7 "> <a title="Home" href="/" target="_top"> <img id="masthead_logo_wordmark2" src="https://image.librarything.com/pics/lt1wordmark_150w.png" srcset="https://image.librarything.com/pics/lt1wordmark_300w.png 2x, https://image.librarything.com/pics/lt1wordmark_450w.png 3x" alt="LibraryThing Home" /> <img id="masthead_lt_logo2" src="https://image.librarything.com/pics/ltlogo_square_fff_trans.png" srcset="https://image.librarything.com/pics/ltlogo_square_fff_trans@2x.png 2x, https://image.librarything.com/pics/ltlogo_square_fff_trans@3x.png 3x" alt="LibraryThing Home" /> </a> <nav id="tabs" role="region" aria-label="Main Navigation Choices"> <a class="sitenav_item g1" data-icon="" id="masttab_home" href="/" target="_top">Home</a><a class="sitenav_item g3" id="masttab_groups" href="/ngroups" target="_top">Groups</a><a class="sitenav_item g3 spacer_after" id="masttab_talk" href="/talk" target="_top">Talk</a><a class="sitenav_item g4" id="masttab_more" href="/more" target="_top">More</a><a class="sitenav_item g4" id="masttab_z" href="/zeitgeist" target="_top">Zeitgeist</a> <div class="sitenav_item g6" id="mobile_topmenu"> <i class="fas fa-bars"></i> <div class="navicon" id="lt2_navnotifications"> </div> </div> </nav> <div id="mobile_topmenu_content"> <a class="sitenav_item g1" data-icon="" id="masttab_home" href="/" target="_top">Home</a> <a class="sitenav_item g3" id="masttab_groups" href="/ngroups" target="_top">Groups</a> <a class="sitenav_item g3 spacer_after" id="masttab_talk" href="/talk" target="_top">Talk</a> <a class="sitenav_item g4" id="masttab_more" href="/more" target="_top">More</a> <a class="sitenav_item g4" id="masttab_z" href="/zeitgeist" target="_top">Zeitgeist</a><div class="separator"></div><a id="mastheadSigninLink" href="/" target="_top">Sign in / Join</a><a href="#" onclick="languagelist(0,0,0); return false;"><i class="fa-solid fa-globe"></i> English</a><a href="https://wiki.librarything.com/index.php/HelpThing:Mds_controller" target="_top">Help</a> </div> <div id="mast_alt"> <div id="mastsearch"> <form action="/search.php" method="GET" target="_top" role="search" id="sbarform" name="sbarform"> <div id="mastsearch_container"> <input type="hidden" name="searchtype" value="newwork_titles"/> <input type="text" id="mastsearch_query" value="" placeholder="Search LibraryThing" name="term"> <img id="mastsearch_glass" tabindex=0 title="Search Site" alt="Search Site" src="https://image.librarything.com/pics/sbar_4.png" srcset="https://image.librarything.com/pics/sbar_4@2x.png 2x, https://image.librarything.com/pics/sbar_4@3x.png 3x" height="13px" width="12px" onclick="document.sbarform.submit();"/> </div> </form> </div> <div id="mastuser"> <ul> <li class="mastuseritem" data-id="userpad_signin"><a id="mastheadSigninLink" href="/" target="_top">Sign in / Join</a></li><li class="mastuseritem" data-id="userpad_langs"><a href="#" onclick="languagelist(0,0,0); return false;"><i class="fa-solid fa-globe"></i> English</a></li><li class="mastuseritem" data-id="userpad_help"><a href="https://wiki.librarything.com/index.php/HelpThing:Mds_controller" target="_top">Help</a></li> </ul> </div> </div> <div id="mast_rule"></div> <ul id="languagechoice" style="display:none;" onmouseover="languagemenu=true;" onmouseout="languagemenu=false;setTimeout(function(){if (!languagemenu) {document.getElementById('languagechoice').style.display='none';}},1000);"></ul></div></nav><div id="lt2_maincontent" class="flex col3" data-content-product="lt2" ><a class="anchor" name="top"></a><a class="anchor" name="t"></a> <main data-observe-resizes id="lt2_content" class="with_sidebar" role="main"><div class="lt2_loading_indicator"></div> <div id="lt2_content_interior"> <a class="anchor" name="top"></a><a class="anchor" name="t"></a> <section class="first"><h1 class="first"><a href="/mds">MDS</a><i class="fas fa-chevron-right breadcrumb_separator"></i>306.36</h1><h2>Wording: <a href="/mds/3">Social sciences</a><i class="fas fa-chevron-right breadcrumb_separator"></i><a href="/mds/30">Social Sciences; Sociology and anthropology</a><i class="fas fa-chevron-right breadcrumb_separator"></i><a href="/mds/306">Culture and Institutions</a><i class="fas fa-chevron-right breadcrumb_separator"></i><a href="/mds/306.3">Economic institutions</a><i class="fas fa-chevron-right breadcrumb_separator"></i><a href="/mds/306.36">Systems of labor</a></h2><h2 class="first dewmoji">Dewmoji: <span class="text_body"><a href="/mds/3">👫</a><a href="/mds/30">🧑‍🤝‍🧑</a><a href="/mds/306">🎏</a><a href="/mds/306.3">💵</a><a href="/mds/306.36">?</a></span></h2><table class="ddc"><tr class="ddcr ddcr0 somethingchosen"><td class="ddcl0" onclick="classification_link('ddc', '0');" ><div class="ddcnum">0</div><div class="word">Information</div><div class="info_bottom"><div class="num">228,059</div><div class="emoji">ℹ️</div></div></td><td class="ddcl1" onclick="classification_link('ddc', '1');" ><div class="ddcnum">1</div><div class="word">Philosophy and Psychology</div><div class="info_bottom"><div class="num">244,744</div><div class="emoji">💭</div></div></td><td class="ddcl2" onclick="classification_link('ddc', '2');" ><div class="ddcnum">2</div><div class="word">Religions</div><div class="info_bottom"><div class="num">590,760</div><div class="emoji">🙏</div></div></td><td class="chosen alwaysblack ddcl3" onclick="classification_link('ddc', '3');" ><div class="ddcnum">3</div><div class="word">Social sciences</div><div class="info_bottom"><div class="num">1,236,403</div><div class="emoji">👫</div></div></td><td class="ddcl4" onclick="classification_link('ddc', '4');" ><div class="ddcnum">4</div><div class="word">Language</div><div class="info_bottom"><div class="num">189,771</div><div class="emoji">💬</div></div></td><td class="ddcl5" onclick="classification_link('ddc', '5');" ><div class="ddcnum">5</div><div class="word">Natural sciences and mathematics</div><div class="info_bottom"><div class="num">399,757</div><div class="emoji">🔬</div></div></td><td class="ddcl6" onclick="classification_link('ddc', '6');" ><div class="ddcnum">6</div><div class="word">Technology</div><div class="info_bottom"><div class="num">886,875</div><div class="emoji">💡</div></div></td><td class="ddcl7" onclick="classification_link('ddc', '7');" ><div class="ddcnum">7</div><div class="word">Arts & recreation</div><div class="info_bottom"><div class="num">921,844</div><div class="emoji">🎨</div></div></td><td class="ddcl8" onclick="classification_link('ddc', '8');" ><div class="ddcnum">8</div><div class="word">Literature</div><div class="info_bottom"><div class="num">1,299,758</div><div class="emoji">📚</div></div></td><td class="ddcl9" onclick="classification_link('ddc', '9');" ><div class="ddcnum">9</div><div class="word">History and Geography</div><div class="info_bottom"><div class="num">747,320</div><div class="emoji">🗺️</div></div></td></tr><tr class="ddcr ddcr1 somethingchosen"><td class="chosen alwaysblack ddcl3" onclick="classification_link('ddc', '30');" ><div class="ddcnum">30</div><div class="word">Social Sciences; Sociology and anthropology</div><div class="info_bottom"><div class="num">246,977</div><div class="emoji">🧑‍🤝‍🧑</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '31');" ><div class="ddcnum">31</div><div class="word">Statistics</div><div class="info_bottom"><div class="num">4,052</div><div class="emoji">📊</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '32');" ><div class="ddcnum">32</div><div class="word">Political Science </div><div class="info_bottom"><div class="num">138,624</div><div class="emoji">👑</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '33');" ><div class="ddcnum">33</div><div class="word">Economics</div><div class="info_bottom"><div class="num">212,906</div><div class="emoji">🐂</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '34');" ><div class="ddcnum">34</div><div class="word">Law</div><div class="info_bottom"><div class="num">142,705</div><div class="emoji">⚖️</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '35');" ><div class="ddcnum">35</div><div class="word">Public Administration, Military Science</div><div class="info_bottom"><div class="num">58,843</div><div class="emoji">🪖</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '36');" ><div class="ddcnum">36</div><div class="word">Social problems & social services</div><div class="info_bottom"><div class="num">157,298</div><div class="emoji">🏚️</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '37');" ><div class="ddcnum">37</div><div class="word">Education</div><div class="info_bottom"><div class="num">162,995</div><div class="emoji">🎓</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '38');" ><div class="ddcnum">38</div><div class="word">Commerce, Communications, Transportation</div><div class="info_bottom"><div class="num">46,507</div><div class="emoji">🛣</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '39');" ><div class="ddcnum">39</div><div class="word">Customs, Etiquette, Folklore</div><div class="info_bottom"><div class="num">65,496</div><div class="emoji">🎑</div></div></td></tr><tr class="ddcr ddcr2 somethingchosen"><td class="ddcl3" onclick="classification_link('ddc', '300');" ><div class="ddcnum">300</div><div class="word">Social sciences</div><div class="info_bottom"><div class="num">14,008</div><div class="emoji">👭</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '301');" ><div class="ddcnum">301</div><div class="word">Sociology and anthropology</div><div class="info_bottom"><div class="num">28,910</div><div class="emoji">🧑‍🤝‍🧑</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '302');" ><div class="ddcnum">302</div><div class="word">Social Interaction</div><div class="info_bottom"><div class="num">23,578</div><div class="emoji">🤝</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '303');" ><div class="ddcnum">303</div><div class="word">Social Processes</div><div class="info_bottom"><div class="num">24,498</div><div class="emoji">⚙️</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '304');" ><div class="ddcnum">304</div><div class="word">Factors affecting social behavior</div><div class="info_bottom"><div class="num">11,267</div><div class="emoji">🤼🏼</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '305');" ><div class="ddcnum">305</div><div class="word">Groups of people</div><div class="info_bottom"><div class="num">63,363</div><div class="emoji">👥</div></div></td><td class="chosen alwaysblack ddcl3" onclick="classification_link('ddc', '306');" ><div class="ddcnum">306</div><div class="word">Culture and Institutions</div><div class="info_bottom"><div class="num">63,864</div><div class="emoji">🎏</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '307');" ><div class="ddcnum">307</div><div class="word">Communities</div><div class="info_bottom"><div class="num">13,117</div><div class="emoji">🏘</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '308');" ><div class="ddcnum">308</div><div class="word">[No longer used]</div><div class="info_bottom"><div class="num">776</div><div class="emoji">🤷</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '309');" ><div class="ddcnum">309</div><div class="word">No longer used [Formerly: Social situation and conditions]. Replaced by 900s.</div><div class="info_bottom"><div class="num">3,596</div><div class="emoji">🤷</div></div></td></tr><tr class="ddcr ddcr3 somethingchosen"><td class="ddcl3" onclick="classification_link('ddc', '306.0');" ><div class="ddcnum">306.0</div><div class="info_bottom"><div class="num">8,967</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '306.1');" ><div class="ddcnum">306.1</div><div class="word">Subcultures</div><div class="info_bottom"><div class="num">512</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '306.2');" ><div class="ddcnum">306.2</div><div class="word">Political institutions</div><div class="info_bottom"><div class="num">2,651</div><div class="emoji">🏛️</div></div></td><td class="chosen alwaysblack ddcl3" onclick="classification_link('ddc', '306.3');" ><div class="ddcnum">306.3</div><div class="word">Economic institutions</div><div class="info_bottom"><div class="num">5,451</div><div class="emoji">💵</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '306.4');" ><div class="ddcnum">306.4</div><div class="word">Specific aspects of culture</div><div class="info_bottom"><div class="num">10,514</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '306.5');" ><div class="ddcnum">306.5</div><div class="info_bottom"><div class="num">12</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '306.6');" ><div class="ddcnum">306.6</div><div class="word">Religious institutions</div><div class="info_bottom"><div class="num">1,555</div><div class="emoji">⛪</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '306.7');" ><div class="ddcnum">306.7</div><div class="word">Sexual relations</div><div class="info_bottom"><div class="num">11,847</div><div class="emoji">🍑</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '306.8');" ><div class="ddcnum">306.8</div><div class="word">Marriage, partnerships, unions; family</div><div class="info_bottom"><div class="num">15,260</div><div class="emoji">💍</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '306.9');" ><div class="ddcnum">306.9</div><div class="word">Institutions pertaining to death</div><div class="info_bottom"><div class="num">783</div><div class="emoji">💀</div></div></td></tr><tr class="ddcr ddcr4 somethingchosen"><td class="ddcl3" onclick="classification_link('ddc', '306.30');" ><div class="ddcnum">306.30</div><div class="info_bottom"><div class="num">261</div></div></td><td class="empty ddcl3" onclick="classification_link('ddc', '306.31');" ><div class="ddcnum">306.31</div><div class="info_bottom"></div></td><td class="ddcl3" onclick="classification_link('ddc', '306.32');" ><div class="ddcnum">306.32</div><div class="word">Property systems</div><div class="info_bottom"><div class="num">35</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '306.33');" ><div class="ddcnum">306.33</div><div class="info_bottom"><div class="num">1</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '306.34');" ><div class="ddcnum">306.34</div><div class="word">Systems of production and exchange</div><div class="info_bottom"><div class="num">231</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '306.35');" ><div class="ddcnum">306.35</div><div class="info_bottom"><div class="num">1</div></div></td><td class="chosen alwaysblack ddcl3" onclick="classification_link('ddc', '306.36');" ><div class="ddcnum">306.36</div><div class="word">Systems of labor</div><div class="info_bottom"><div class="num">1,609</div></div></td><td class="empty ddcl3" onclick="classification_link('ddc', '306.37');" ><div class="ddcnum">306.37</div><div class="info_bottom"></div></td><td class="ddcl3" onclick="classification_link('ddc', '306.38');" ><div class="ddcnum">306.38</div><div class="word">Retirement</div><div class="info_bottom"><div class="num">86</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '306.39');" ><div class="ddcnum">306.39</div><div class="info_bottom"><div class="num">1</div></div></td></tr><tr class="ddcr ddcr5 "><td class="ddcl3" onclick="classification_link('ddc', '306.360');" ><div class="ddcnum">306.360</div><div class="info_bottom"><div class="num">87</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '306.361');" ><div class="ddcnum">306.361</div><div class="word">General aspects of systems of labor</div><div class="info_bottom"><div class="num">122</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '306.362');" ><div class="ddcnum">306.362</div><div class="word">Slavery</div><div class="info_bottom"><div class="num">811</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '306.363');" ><div class="ddcnum">306.363</div><div class="word">Contract and indentured labor</div><div class="info_bottom"><div class="num">27</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '306.364');" ><div class="ddcnum">306.364</div><div class="word">Agricultural systems of labor</div><div class="info_bottom"><div class="num">30</div></div></td><td class="ddcl3" onclick="classification_link('ddc', '306.365');" ><div class="ddcnum">306.365</div><div class="word">Agricultural shared return systems</div><div class="info_bottom"><div class="num">5</div></div></td><td class="empty ddcl3" onclick="classification_link('ddc', '306.366');" ><div class="ddcnum">306.366</div><div class="info_bottom"></div></td><td class="empty ddcl3" onclick="classification_link('ddc', '306.367');" ><div class="ddcnum">306.367</div><div class="info_bottom"></div></td><td class="ddcl3" onclick="classification_link('ddc', '306.368');" ><div class="ddcnum">306.368</div><div class="word">Nonagricultural occupations</div><div class="info_bottom"><div class="num">2</div></div></td><td class="empty ddcl3" onclick="classification_link('ddc', '306.369');" ><div class="ddcnum">306.369</div><div class="info_bottom"></div></td></tr></table></section><section><div id="linkdiv" style="display: none;"></div><div class="shelforlist"><h2>Selected Works under MDS 306.36 (1,609)</h2><div id="ddc"><ul class="lt2_columnar newshelfitemtable displaytable_for_displayAA_lt2" id="u_cc2" ><div class="lt2_columnar_item"><li><a href="/work/296691" data-workid="296691" data-title="To-Be-a-Slave" class="" >To Be a Slave</a> by <a href="/author/lesterjulius">Julius Lester</a></li></div><div class="lt2_columnar_item"><li><a href="/work/21372389" data-workid="21372389" data-title="Bullshit-Jobs-A-Theory" class="" >Bullshit Jobs: A Theory</a> by <a href="/author/graeberdavid-1">David Graeber</a></li></div><div class="lt2_columnar_item"><li><a href="/work/7886443" data-workid="7886443" data-title="The-Pleasures-and-Sorrows-of-Work" class="" >The Pleasures and Sorrows of Work</a> by <a href="/author/bottonalainde">Alain de Botton</a></li></div><div class="lt2_columnar_item"><li><a href="/work/164153" data-workid="164153" data-title="Many-Thousands-Gone-The-First-Two-Centuries-of-Slavery-in-North-America" class="" >Many Thousands Gone: The First Two Centuries of Slavery in North America</a> by <a href="/author/berlinira">Ira Berlin</a></li></div><div class="lt2_columnar_item"><li><a href="/work/4017639" data-workid="4017639" data-title="The-slave-ship-A-human-history" class="" >The slave ship. A human history</a> by <a href="/author/redikermarcus">Marcus Rediker</a></li></div><div class="lt2_columnar_item"><li><a href="/work/15966279" data-workid="15966279" data-title="Nathan-Hales-Hazardous-Tales-The-Underground-Abductor" class="" >Nathan Hale's Hazardous Tales: The Underground Abductor</a> by <a href="/author/halenathan-1">Nathan Hale</a></li></div><div class="lt2_columnar_item"><li><a href="/work/14151863" data-workid="14151863" data-title="The-Interesting-Narrative-and-Other-Writings-Revised-Edition-Penguin-Classics" class="" >The Interesting Narrative and Other Writings: Revised Edition (Penguin Classics)</a> by <a href="/author/equianoolaudah">Olaudah Equiano</a></li></div><div class="lt2_columnar_item"><li><a href="/work/37161" data-workid="37161" data-title="American-Slavery-1619-1877" class="" >American Slavery, 1619-1877</a> by <a href="/author/kolchinpeter">Peter Kolchin</a></li></div><div class="lt2_columnar_item"><li><a href="/work/20385" data-workid="20385" data-title="The-Peculiar-Institution-Slavery-in-the-Ante-Bellum-South" class="" >The Peculiar Institution: Slavery in the Ante-Bellum South</a> by <a href="/author/stamppkennethm">Kenneth M. Stampp</a></li></div><div class="lt2_columnar_item"><li><a href="/work/203054" data-workid="203054" data-title="The-lost-German-slave-girl" class="" >The lost German slave girl</a> by <a href="/author/baileyjohn-4">John Bailey</a></li></div><div class="lt2_columnar_item"><li><a href="/work/287073" data-workid="287073" data-title="Slave-My-True-Story" class="" >Slave: My True Story</a> by <a href="/author/nazermende">Mende Nazer</a></li></div><div class="lt2_columnar_item"><li><a href="/work/148137" data-workid="148137" data-title="White-Gold-The-Extraordinary-Story-of-Thomas-Pellow-and-North-Africas-One-Million-European-Slaves" class="" >White Gold: The Extraordinary Story of Thomas Pellow and North Africa's One Million European Slaves</a> by <a href="/author/miltongiles">Giles Milton</a></li></div><div class="lt2_columnar_item"><li><a href="/work/220673" data-workid="220673" data-title="Disposable-People-New-Slavery-in-the-Global-Economy" class="" >Disposable People: New Slavery in the Global Economy</a> by <a href="/author/baleskevin">Kevin Bales</a></li></div><div class="lt2_columnar_item"><li><a href="/work/28674771" data-workid="28674771" data-title="Master-Slave-Husband-Wife-An-Epic-Journey-from-Slavery-to-Freedom" class="" >Master Slave Husband Wife: An Epic Journey from Slavery to Freedom</a> by <a href="/author/wooilyon">Ilyon Woo</a></li></div><div class="lt2_columnar_item"><li><a href="/work/5787" data-workid="5787" data-title="Gig-Americans-Talk-About-Their-Jobs" class="" >Gig: Americans Talk About Their Jobs</a> by <a href="/author/bowejohn">John Bowe</a></li></div><div class="lt2_columnar_item"><li><a href="/work/43479" data-workid="43479" data-title="The-Two-Income-Trap-Why-Middle-Class-Parents-Are-Going-Broke" class="" >The Two-Income Trap: Why Middle-Class Parents Are Going Broke</a> by <a href="/author/warrenelizabeth-1">Elizabeth Warren</a></li></div><div class="lt2_columnar_item"><li><a href="/work/54544" data-workid="54544" data-title="The-History-of-Mary-Prince" class="" >The History of Mary Prince</a> by <a href="/author/princemary-1">Mary Prince</a></li></div><div class="lt2_columnar_item"><li><a href="/work/1053737" data-workid="1053737" data-title="two-tickets-to-freedom-the-true-story-of-ellen-and-william-craft-fugitive-slaves" class="" >two tickets to freedom: the true story of ellen and william craft, fugitive slaves</a> by <a href="/author/freedmanflorenceb">Florence B. Freedman</a></li></div><div class="lt2_columnar_item"><li><a href="/work/2433648" data-workid="2433648" data-title="Not-for-Sale-The-Return-of-the-Global-Slave-Trade-and-How-We-Can-Fight-It" class="" >Not for Sale: The Return of the Global Slave Trade--and How We Can Fight It</a> by <a href="/author/batstonedavid">David Batstone</a></li></div><div class="lt2_columnar_item"><li><a href="/work/4706001" data-workid="4706001" data-title="A-Crime-So-Monstrous-Face-to-Face-with-Modern-Day-Slavery" class="" >A Crime So Monstrous: Face-to-Face with Modern-Day Slavery</a> by <a href="/author/skinnerebenjamin">E. Benjamin Skinner</a></li></div><div class="lt2_columnar_item"><li><a href="/work/13488745" data-workid="13488745" data-title="I-Am-Harriet-Tubman" class="" >I Am Harriet Tubman</a> by <a href="/author/norwichgrace">Grace Norwich</a></li></div><div class="lt2_columnar_item"><li><a href="/work/125871" data-workid="125871" data-title="Why-America-Doesnt-Work" class="" >Why America Doesn't Work</a> by <a href="/author/colsoncharles">Charles Colson</a></li></div><div class="lt2_columnar_item"><li><a href="/work/254231" data-workid="254231" data-title="Slavery-and-Social-Death" class="" >Slavery and Social Death</a> by <a href="/author/pattersonorlando">Orlando Patterson</a></li></div><div class="lt2_columnar_item"><li><a href="/work/342588" data-workid="342588" data-title="The-Reinvention-of-Work-New-Vision-of-Livelihood-for-Our-Time-A" class="" >The Reinvention of Work: New Vision of Livelihood for Our Time, A</a> by <a href="/author/foxmatthew-1">Matthew Fox</a></li></div><div class="lt2_columnar_item"><li><a href="/work/8603723" data-workid="8603723" data-title="Januarys-Sparrow" class="" >January's Sparrow</a> by <a href="/author/polaccopatricia">Patricia Polacco</a></li></div><div class="lt2_columnar_item"><li><a href="/work/36012" data-workid="36012" data-title="Learning-to-Labor-How-Working-Class-Kids-Get-Working-Class-Jobs" class="" >Learning to Labor: How Working Class Kids Get Working Class Jobs</a> by <a href="/author/willispaul-1">Paul Willis</a></li></div><div class="lt2_columnar_item"><li><a href="/work/1253383" data-workid="1253383" data-title="Remembering-Slavery-African-Americans-Talk-About-Their-Personal-Experiences-of-Slavery-and-Freedom" class="" >Remembering Slavery: African Americans Talk About Their Personal Experiences of Slavery and Freedom</a> by <a href="/author/berlinira">Ira Berlin</a></li></div><div class="lt2_columnar_item"><li><a href="/work/30870" data-workid="30870" data-title="The-Making-of-New-World-Slavery-From-the-Baroque-to-the-Modern-1492-1800" class="" >The Making of New World Slavery: From the Baroque to the Modern 1492-1800</a> by <a href="/author/blackburnrobin">Robin Blackburn</a></li></div><div class="lt2_columnar_item"><li><a href="/work/2304435" data-workid="2304435" data-title="The-Escape-of-Oney-Judge-Martha-Washingtons-Slave-Finds-Freedom" class="" >The Escape of Oney Judge: Martha Washington's Slave Finds Freedom</a> by <a href="/author/mccullyemilyarnold">Emily Arnold McCully</a></li></div><div class="lt2_columnar_item"><li><a href="/work/1484886" data-workid="1484886" data-title="In-the-Time-of-the-Drums" class="" >In the Time of the Drums</a> by <a href="/author/siegelsonkiml">Kim L. Siegelson</a></li></div><div class="lt2_columnar_item"><li><a href="/work/97037" data-workid="97037" data-title="Ancient-Slavery-and-Modern-Ideology" class="" >Ancient Slavery and Modern Ideology</a> by <a href="/author/finleymi">M. I. Finley</a></li></div><div class="lt2_columnar_item"><li><a href="/work/124915" data-workid="124915" data-title="The-Time-Bind-When-Work-Becomes-Home-and-Home-Becomes-Work" class="" >The Time Bind: When Work Becomes Home and Home Becomes Work</a> by <a href="/author/hochschildarlierusse">Arlie Russell Hochschild</a></li></div><div class="lt2_columnar_item"><li><a href="/work/444741" data-workid="444741" data-title="The-Future-of-Success-Working-and-Living-in-the-New-Economy" class="" >The Future of Success: Working and Living in the New Economy</a> by <a href="/author/reichrobertb">Robert B. Reich</a></li></div><div class="lt2_columnar_item"><li><a href="/work/19162534" data-workid="19162534" data-title="Private-Government-How-Employers-Rule-Our-Lives-and-Why-We-Dont-Talk-about-It" class="" >Private Government: How Employers Rule Our Lives (and Why We Don't Talk about It)</a> by <a href="/author/andersonelizabeth-1">Elizabeth Anderson</a></li></div><div class="lt2_columnar_item"><li><a href="/work/416644" data-workid="416644" data-title="The-World-the-Slaveholders-Made-Two-Essays-in-Interpretation" class="" >The World the Slaveholders Made: Two Essays in Interpretation</a> by <a href="/author/genoveseeugened">Eugene D. Genovese</a></li></div><div class="lt2_columnar_item"><li><a href="/work/27018371" data-workid="27018371" data-title="The-Last-Slave-Ship-The-True-Story-of-How-Clotilda-Was-Found-Her-Descendants-and-an-Extraordinary-Reckoning" class="" >The Last Slave Ship: The True Story of How Clotilda Was Found, Her Descendants, and an Extraordinary Reckoning</a> by <a href="/author/rainesben">Ben Raines</a></li></div><div class="lt2_columnar_item"><li><a href="/work/109631" data-workid="109631" data-title="Business-as-a-Calling-Work-and-the-Examined-Life" class="" >Business as a Calling: Work and the Examined Life</a> by <a href="/author/novakmichael-1">Michael Novak</a></li></div><div class="lt2_columnar_item"><li><a href="/work/908553" data-workid="908553" data-title="You-Wouldnt-Want-to-be-a-Mammoth-Hunter%21-Dangerous-Beasts-Youd-Rather-Not-Encounter" class="" >You Wouldn't Want to be a Mammoth Hunter!: Dangerous Beasts You'd Rather Not Encounter</a> by <a href="/author/malamjohn">John Malam</a></li></div><div class="lt2_columnar_item"><li><a href="/work/5066195" data-workid="5066195" data-title="The-Sexual-Paradox-Men-Women-and-the-Real-Gender-Gap" class="" >The Sexual Paradox: Men, Women and the Real Gender Gap</a> by <a href="/author/pinkersusan">Susan Pinker</a></li></div><div class="lt2_columnar_item"><li><a href="/work/16469" data-workid="16469" data-title="Without-consent-or-contract-the-rise-and-fall-of-American-slavery" class="" >Without consent or contract : the rise and fall of American slavery</a> by <a href="/author/fogelrobertwilliam">Robert William Fogel</a></li></div><div class="lt2_columnar_item"><li><a href="/work/10825582" data-workid="10825582" data-title="Passport-through-Darkness-A-True-Story-of-Danger-and-Second-Chances" class="" >Passport through Darkness: A True Story of Danger and Second Chances</a> by <a href="/author/smithkimberlyl">Kimberly L. Smith</a></li></div><div class="lt2_columnar_item"><li><a href="/work/8749395" data-workid="8749395" data-title="The-American-crucible-slavery-emancipation-and-human-rights" class="" >The American crucible : slavery, emancipation and human rights</a> by <a href="/author/blackburnrobin">Robin Blackburn</a></li></div><div class="lt2_columnar_item"><li><a href="/work/1599732" data-workid="1599732" data-title="Christian-Slaves-Muslim-Masters-White-Slavery-in-the-Mediterranean-The-Barbary-Coast-and-Italy-1500-1800-Early-Modern-History-Society-and-Culture" class="" >Christian Slaves, Muslim Masters: White Slavery in the Mediterranean, The Barbary Coast, and Italy, 1500-1800 (Early Modern History: Society and Culture)</a> by <a href="/author/davisrobertc-1">Robert C. Davis</a></li></div><div class="lt2_columnar_item"><li><a href="/work/68309" data-workid="68309" data-title="Race-and-Slavery-in-the-Middle-East-An-Historical-Enquiry" class="" >Race and Slavery in the Middle East: An Historical Enquiry</a> by <a href="/author/lewisbernard-1">Bernard Lewis</a></li></div><div class="lt2_columnar_item"><li><a href="/work/253978" data-workid="253978" data-title="African-Slavery-in-Latin-America-and-the-Caribbean" class="" >African Slavery in Latin America and the Caribbean</a> by <a href="/author/kleinherberts">Herbert S. Klein</a></li></div><div class="lt2_columnar_item"><li><a href="/work/168306" data-workid="168306" data-title="The-Dreaded-Comparison-Human-and-Animal-Slavery" class="" >The Dreaded Comparison: Human and Animal Slavery</a> by <a href="/author/spiegelmarjorie">Marjorie Spiegel</a></li></div><div class="lt2_columnar_item"><li><a href="/work/1788439" data-workid="1788439" data-title="Sojourner-Truth-Voice-of-Freedom" class="" >Sojourner Truth: Voice of Freedom</a> by <a href="/author/kudlinskikathleenv">Kathleen V. Kudlinski</a></li></div><div class="lt2_columnar_item"><li><a href="/work/461906" data-workid="461906" data-title="Slavery-and-Human-Progress" class="" >Slavery and Human Progress</a> by <a href="/author/davisdavidbrion">David Brion Davis</a></li></div><div class="lt2_columnar_item"><li><a href="/work/2329531" data-workid="2329531" data-title="The-Willie-Lynch-Letter-and-the-Making-of-a-Slave" class="" >The Willie Lynch Letter and the Making of a Slave</a> by <a href="/author/lynchwillie">Willie Lynch</a></li></div><div class="lt2_columnar_item"><li><a href="/work/8568" data-workid="8568" data-title="Black-Ivory-Slavery-in-the-British-Empire" class="" >Black Ivory: Slavery in the British Empire</a> by <a href="/author/walvinjames">James Walvin</a></li></div></ul><div class="lt_pillbox lt_tiny lt_blend lt_shelf_pagination"><a href="javascript:loadNewShelf('ddc','u_3aee2de1',0,6,50,4,'0',0,);">next <i class="fas fa-chevron-right"></i></a></div><table class="lt_shelf_controls pubnav shelf_ctrl_bottom style0" data-shelftype="work" data-count="50"><tr class="newshelf_control_line"><td class="lt_shelf_controls_info"><div class="lt_pillbox lt_tiny lt_blend lt_shelf_pagination ltx"><a href="javascript:loadNewShelf('ddc','u_3aee2de1',0,6,50,4,'0',0,);">next <i class="fas fa-chevron-right"></i></a></div><td class="shelfright"><div data-value="0" class="lt_pillbox lt_blend tiny lt_tiny" ><a data-value="0" data-onclick="loadNewShelf('ddc','u_3aee2de1',0,0,0,4,'0')" role="button" class="selected" ><i class="fas fa-line-columns"></i><span class="ltp_txt">Titles</span></a class="" ><a data-value="2" data-onclick="loadNewShelf('ddc','u_3aee2de1',2,0,0,4,'0')" role="button" class="" ><i class="fa-solid fa-grid-2"></i><span class="ltp_txt">Covers</span></a class="" ></div class="" ></td></tr></table></div></div></section><section> <h2>Related Tags</h2><div id="relatedtagsarea" class="hidecount"><div class="tags tagcloud_tags" xstyle="line-height: 1.5em;"> <span class="tag" style="font-size: 0.8em;"><a href="/tag/17th%20century" target="_top">17th century</a><span class="count"> (50)</span> </span> <span class="tag" style="font-size: 1em;"><a href="/tag/18th%20century" target="_top">18th century</a><span class="count"> (116)</span> </span> <span class="tag" style="font-size: 1em;"><a href="/tag/19th%20century" target="_top">19th century</a><span class="count"> (133)</span> </span> <span class="tag" style="font-size: 1em;"><a href="/tag/Africa" target="_top">Africa</a><span class="count"> (132)</span> </span> <span class="tag" style="font-size: 1.2em;"><b><a href="/tag/African%20American" target="_top">African American</a></b><span class="count"> (182)</span> </span> <span class="tag" style="font-size: 1em;"><b><a href="/tag/African%20American%20History" target="_top">African American History</a></b><span class="count"> (116)</span> </span> <span class="tag" style="font-size: 0.9em;"><b><a href="/tag/African%20Americans" target="_top">African Americans</a></b><span class="count"> (80)</span> </span> <span class="tag" style="font-size: 0.8em;"><a href="/tag/America" target="_top">America</a><span class="count"> (55)</span> </span> <span class="tag" style="font-size: 0.8em;"><a href="/tag/American" target="_top">American</a><span class="count"> (36)</span> </span> <span class="tag" style="font-size: 1.3em;"><b><a href="/tag/American%20history" target="_top">American history</a></b><span class="count"> (348)</span> </span> <span class="tag" style="font-size: 0.8em;"><a href="/tag/ancient%20history" target="_top">ancient history</a><span class="count"> (38)</span> </span> <span class="tag" style="font-size: 1em;"><a href="/tag/anthropology" target="_top">anthropology</a><span class="count"> (96)</span> </span> <span class="tag" style="font-size: 0.9em;"><a href="/tag/autobiography" target="_top">autobiography</a><span class="count"> (93)</span> </span> <span class="tag" style="font-size: 1.2em;"><a href="/tag/biography" target="_top">biography</a><span class="count"> (254)</span> </span> <span class="tag" style="font-size: 0.9em;"><b><a href="/tag/black%20history" target="_top">black history</a></b><span class="count"> (69)</span> </span> <span class="tag" style="font-size: 0.8em;"><a href="/tag/Brazil" target="_top">Brazil</a><span class="count"> (52)</span> </span> <span class="tag" style="font-size: 1em;"><a href="/tag/business" target="_top">business</a><span class="count"> (98)</span> </span> <span class="tag" style="font-size: 1em;"><b><a href="/tag/capitalism" target="_top">capitalism</a></b><span class="count"> (122)</span> </span> <span class="tag" style="font-size: 0.8em;"><b><a href="/tag/Caribbean" target="_top">Caribbean</a></b><span class="count"> (53)</span> </span> <span class="tag" style="font-size: 1em;"><a href="/tag/Civil%20War" target="_top">Civil War</a><span class="count"> (100)</span> </span> <span class="tag" style="font-size: 0.9em;"><a href="/tag/culture" target="_top">culture</a><span class="count"> (63)</span> </span> <span class="tag" style="font-size: 0.9em;"><a href="/tag/ebook" target="_top">ebook</a><span class="count"> (69)</span> </span> <span class="tag" style="font-size: 1.2em;"><b><a href="/tag/economics" target="_top">economics</a></b><span class="count"> (285)</span> </span> <span class="tag" style="font-size: 0.8em;"><a href="/tag/essays" target="_top">essays</a><span class="count"> (47)</span> </span> <span class="tag" style="font-size: 0.8em;"><a href="/tag/family" target="_top">family</a><span class="count"> (41)</span> </span> <span class="tag" style="font-size: 0.9em;"><a href="/tag/fiction" target="_top">fiction</a><span class="count"> (69)</span> </span> <span class="tag" style="font-size: 0.8em;"><a href="/tag/freedom" target="_top">freedom</a><span class="count"> (42)</span> </span> <span class="tag" style="font-size: 0.9em;"><a href="/tag/graphic%20novel" target="_top">graphic novel</a><span class="count"> (85)</span> </span> <span class="tag" style="font-size: 1em;"><a href="/tag/historical%20fiction" target="_top">historical fiction</a><span class="count"> (102)</span> </span> <span class="tag" style="font-size: 1.5em;"><b><a href="/tag/history" target="_top">history</a></b><span class="count"> (1,646)</span> </span> <span class="tag" style="font-size: 0.8em;"><a href="/tag/human%20rights" target="_top">human rights</a><span class="count"> (42)</span> </span> <span class="tag" style="font-size: 0.9em;"><b><a href="/tag/human%20trafficking" target="_top">human trafficking</a></b><span class="count"> (66)</span> </span> <span class="tag" style="font-size: 0.9em;"><a href="/tag/Islam" target="_top">Islam</a><span class="count"> (57)</span> </span> <span class="tag" style="font-size: 0.9em;"><a href="/tag/Kindle" target="_top">Kindle</a><span class="count"> (57)</span> </span> <span class="tag" style="font-size: 0.9em;"><b><a href="/tag/labor" target="_top">labor</a></b><span class="count"> (73)</span> </span> <span class="tag" style="font-size: 0.9em;"><a href="/tag/memoir" target="_top">memoir</a><span class="count"> (82)</span> </span> <span class="tag" style="font-size: 0.8em;"><b><a href="/tag/New%20Orleans" target="_top">New Orleans</a></b><span class="count"> (53)</span> </span> <span class="tag" style="font-size: 0.9em;"><a href="/tag/Newbery%20Honor" target="_top">Newbery Honor</a><span class="count"> (60)</span> </span> <span class="tag" style="font-size: 1.4em;"><a href="/tag/non-fiction" target="_top">non-fiction</a><span class="count"> (1,234)</span> </span> <span class="tag" style="font-size: 1.2em;"><a href="/tag/philosophy" target="_top">philosophy</a><span class="count"> (225)</span> </span> <span class="tag" style="font-size: 0.8em;"><a href="/tag/picture%20book" target="_top">picture book</a><span class="count"> (42)</span> </span> <span class="tag" style="font-size: 1.1em;"><a href="/tag/politics" target="_top">politics</a><span class="count"> (168)</span> </span> <span class="tag" style="font-size: 0.9em;"><a href="/tag/psychology" target="_top">psychology</a><span class="count"> (67)</span> </span> <span class="tag" style="font-size: 1em;"><b><a href="/tag/race" target="_top">race</a></b><span class="count"> (113)</span> </span> <span class="tag" style="font-size: 0.9em;"><a href="/tag/read" target="_top">read</a><span class="count"> (81)</span> </span> <span class="tag" style="font-size: 0.8em;"><b><a href="/tag/slave%20narrative" target="_top">slave narrative</a></b><span class="count"> (52)</span> </span> <span class="tag" style="font-size: 0.9em;"><b><a href="/tag/slave%20trade" target="_top">slave trade</a></b><span class="count"> (60)</span> </span> <span class="tag" style="font-size: 1.5em;"><b><a href="/tag/slavery" target="_top">slavery</a></b><span class="count"> (2,083)</span> </span> <span class="tag" style="font-size: 0.8em;"><b><a href="/tag/slaves" target="_top">slaves</a></b><span class="count"> (47)</span> </span> <span class="tag" style="font-size: 0.8em;"><a href="/tag/social%20science" target="_top">social science</a><span class="count"> (54)</span> </span> <span class="tag" style="font-size: 0.8em;"><a href="/tag/society" target="_top">society</a><span class="count"> (39)</span> </span> <span class="tag" style="font-size: 1.3em;"><b><a href="/tag/sociology" target="_top">sociology</a></b><span class="count"> (363)</span> </span> <span class="tag" style="font-size: 0.8em;"><b><a href="/tag/Sudan" target="_top">Sudan</a></b><span class="count"> (41)</span> </span> <span class="tag" style="font-size: 1.4em;"><a href="/tag/to-read" target="_top">to-read</a><span class="count"> (1,011)</span> </span> <span class="tag" style="font-size: 0.9em;"><b><a href="/tag/Underground%20Railroad" target="_top">Underground Railroad</a></b><span class="count"> (75)</span> </span> <span class="tag" style="font-size: 0.9em;"><a href="/tag/unread" target="_top">unread</a><span class="count"> (57)</span> </span> <span class="tag" style="font-size: 0.9em;"><a href="/tag/US%20history" target="_top">US history</a><span class="count"> (71)</span> </span> <span class="tag" style="font-size: 1.2em;"><a href="/tag/USA" target="_top">USA</a><span class="count"> (179)</span> </span> <span class="tag" style="font-size: 1.2em;"><a href="/tag/work" target="_top">work</a><span class="count"> (281)</span> </span> <span class="tag" style="font-size: 0.8em;"><a href="/tag/world%20history" target="_top">world history</a><span class="count"> (40)</span> </span> </div></div></section><section><h2>"Far Friends"</h2><p>MDS classes with significant recommendations overlap, excluding ones under the same top-level class.</p><dl class="comfort"><dt class="head">MDS</dt><dd class="head">Schedule</dd><dt><a href="/mds/975">975</a></dt><dd><a href="/mds/975">History and Geography<i class="fas fa-chevron-right breadcrumb_separator"></i>North America<i class="fas fa-chevron-right breadcrumb_separator"></i>Southeastern U.S.</a></dd><dt><a href="/mds/973.7">973.7</a></dt><dd><a href="/mds/973.7">History and Geography<i class="fas fa-chevron-right breadcrumb_separator"></i>North America<i class="fas fa-chevron-right breadcrumb_separator"></i>United States<i class="fas fa-chevron-right breadcrumb_separator"></i>Administration of Abraham Lincoln, 1861-1865 Civil War</a></dd><dt><a href="/mds/973">973</a></dt><dd><a href="/mds/973">History and Geography<i class="fas fa-chevron-right breadcrumb_separator"></i>North America<i class="fas fa-chevron-right breadcrumb_separator"></i>United States</a></dd><dt><a href="/mds/97">97X</a></dt><dd><a href="/mds/97">History and Geography<i class="fas fa-chevron-right breadcrumb_separator"></i>North America</a></dd><dt><a href="/mds/9">9XX</a></dt><dd><a href="/mds/9">History and Geography</a></dd></dl></section><section><h2>Wording</h2><table class="fwikiGroup" id="e65583" data-fwiki_field="u_759d0f62" data-fwiki_fieldname="" ><tr><td class="fwikiLabel">1922 Edition</td><td class='fwikiField' id='u_759d0f62' itemType='200' itemNum='30636' fieldType='38' name='u_759d0f62' allowmultiple='0' hasHistory = '0' fieldName = 'schedule' uitype = '1' ltlang='eng' hint = 'Do NOT copy from the copyrighted sources. 1922 edition <a href="http://www.archive.org/stream/decimalclasific00dewegoog#page/n68/mode/1up">here</a>, in absurd phonetic English. Use standard spelling.' ><div class="ckDisplayItems"><div class="fwikiItemText form-control fwikiItemTextUnknownUser" ></div></div><form class="ckEditItems" onsubmit="void(0);" action=""> <button type="submit" disabled style="display: none" aria-hidden="true"></button><input type="hidden" value="200" name="itemType" class="ckparam_data" /><input type="hidden" value="30636" name="itemNum" class="ckparam_data" /><input type="hidden" value="schedule" name="fieldName" class="ckparam_data" /><input type="hidden" value="38" name="fieldType" class="ckparam_data" /><input type="hidden" value="eng" name="lang" class="ckparam_data" /><input type="hidden" value="5ac9" name="uniqueid" class="ckparam_data" /><div class="ck_input_wrapper"><div></div><input autocomplete="off" type="text" name="values[]" id="u_ad9a" class="form-control ckinputfield fwikiFormInputItem" value="" ><i class="fas fa-times-circle lt2_delete_X"></i></div><div class="ck_hint note">Do NOT copy from the copyrighted sources. 1922 edition <a href="http://www.archive.org/stream/decimalclasific00dewegoog#page/n68/mode/1up">here</a>, in absurd phonetic English. Use standard spelling.</div><div class="ckEditControls "><div class="ck_controls ck_controls_left"><a value=" History" value=" History" class="func_lt2_display_ui lt2button btn btn-sm ck_historybutton btn-default" type="button" role="button" href="/commonknowledge/changelog.php?item=30636&type=200&field=38" ><span class="btntxt"><i class="fas fa-history"></i> History</span></a></div><div class="ck_controls ck_controls_right"><button value="Cancel" value="Cancel" class="func_lt2_display_ui lt2button btn btn-sm btn-default" type="button" role="button" onclick="return lt.fwiki.cancel(this);" ><span class="btntxt">Cancel</span></button><button value="Save" value="Save" class="func_lt2_display_ui lt2button btn btn-sm btn-primary btn-primary" type="button" role="button" onclick="return lt.fwiki.save(this);" ><span class="btntxt">Save</span></button></div></div></form></td><td class='fwikiItemControls'></td></td></tr></table><table class="fwikiGroup" id="b96765" data-fwiki_field="u_be43bd75" data-fwiki_fieldname="" ><tr><td class="fwikiLabel">Modern Language</td><td class='fwikiField' id='u_be43bd75' itemType='201' itemNum='30636' fieldType='39' name='u_be43bd75' allowmultiple='0' hasHistory = '1' fieldName = 'modernschedule' uitype = '1' ltlang='eng' hint = 'Modern wording should be based on the <a href="http://everybodyslibraries.com/free-decimal-correspondence/">Free Decimal System</a> or on the <a href="http://www.archive.org/stream/decimalclasific00dewegoog#page/n68/mode/1up">1922 edition</a> of Dewey. Language and concepts may be modernized. Do not use an in-copyright source.' ><div class="ckDisplayItems"><div class="fwikiItemText form-control fwikiItemTextUnknownUser" ><a href="/commonknowledge/search.php?q=Systems+of+labor&f=39&exact=1&type=201">Systems of labor</a> </div></div><form class="ckEditItems" onsubmit="void(0);" action=""> <button type="submit" disabled style="display: none" aria-hidden="true"></button><input type="hidden" value="201" name="itemType" class="ckparam_data" /><input type="hidden" value="30636" name="itemNum" class="ckparam_data" /><input type="hidden" value="modernschedule" name="fieldName" class="ckparam_data" /><input type="hidden" value="39" name="fieldType" class="ckparam_data" /><input type="hidden" value="eng" name="lang" class="ckparam_data" /><input type="hidden" value="4d8b" name="uniqueid" class="ckparam_data" /><div class="ck_input_wrapper"><div></div><input autocomplete="off" type="text" name="values[]" id="u_43f3" class="form-control ckinputfield fwikiFormInputItem" value="Systems of labor" ><i class="fas fa-times-circle lt2_delete_X"></i></div><div class="ck_hint note">Modern wording should be based on the <a href="http://everybodyslibraries.com/free-decimal-correspondence/">Free Decimal System</a> or on the <a href="http://www.archive.org/stream/decimalclasific00dewegoog#page/n68/mode/1up">1922 edition</a> of Dewey. Language and concepts may be modernized. Do not use an in-copyright source.</div><div class="ckEditControls "><div class="ck_controls ck_controls_left"><a value=" History" value=" History" class="func_lt2_display_ui lt2button btn btn-sm ck_historybutton btn-default" type="button" role="button" href="/commonknowledge/changelog.php?item=30636&type=201&field=39" ><span class="btntxt"><i class="fas fa-history"></i> History</span></a></div><div class="ck_controls ck_controls_right"><button value="Cancel" value="Cancel" class="func_lt2_display_ui lt2button btn btn-sm btn-default" type="button" role="button" onclick="return lt.fwiki.cancel(this);" ><span class="btntxt">Cancel</span></button><button value="Save" value="Save" class="func_lt2_display_ui lt2button btn btn-sm btn-primary btn-primary" type="button" role="button" onclick="return lt.fwiki.save(this);" ><span class="btntxt">Save</span></button></div></div></form></td><td class='fwikiItemControls'></td></td></tr></table><table class="fwikiGroup" id="c21401" data-fwiki_field="u_25c5dfed" data-fwiki_fieldname="" ><tr><td class="fwikiLabel">Emoji</td><td class='fwikiField' id='u_25c5dfed' itemType='202' itemNum='30636' fieldType='60' name='u_25c5dfed' allowmultiple='0' hasHistory = '0' fieldName = 'mdsemoji' uitype = '1' ltlang='eng' hint = 'A single emoji for this DDC Class. The full emoji will be composed of the emojis from the top level to this one.' ><div class="ckDisplayItems"><div class="fwikiItemText form-control fwikiItemTextUnknownUser" ></div></div><form class="ckEditItems" onsubmit="void(0);" action=""> <button type="submit" disabled style="display: none" aria-hidden="true"></button><input type="hidden" value="202" name="itemType" class="ckparam_data" /><input type="hidden" value="30636" name="itemNum" class="ckparam_data" /><input type="hidden" value="mdsemoji" name="fieldName" class="ckparam_data" /><input type="hidden" value="60" name="fieldType" class="ckparam_data" /><input type="hidden" value="eng" name="lang" class="ckparam_data" /><input type="hidden" value="3772" name="uniqueid" class="ckparam_data" /><div class="ck_input_wrapper"><div></div><input autocomplete="off" type="text" name="values[]" id="u_8990" class="form-control ckinputfield fwikiFormInputItem" value="" ><i class="fas fa-times-circle lt2_delete_X"></i></div><div class="ck_hint note">A single emoji for this DDC Class. The full emoji will be composed of the emojis from the top level to this one.</div><div class="ckEditControls "><div class="ck_controls ck_controls_left"><a value=" History" value=" History" class="func_lt2_display_ui lt2button btn btn-sm ck_historybutton btn-default" type="button" role="button" href="/commonknowledge/changelog.php?item=30636&type=202&field=60" ><span class="btntxt"><i class="fas fa-history"></i> History</span></a></div><div class="ck_controls ck_controls_right"><button value="Cancel" value="Cancel" class="func_lt2_display_ui lt2button btn btn-sm btn-default" type="button" role="button" onclick="return lt.fwiki.cancel(this);" ><span class="btntxt">Cancel</span></button><button value="Save" value="Save" class="func_lt2_display_ui lt2button btn btn-sm btn-primary btn-primary" type="button" role="button" onclick="return lt.fwiki.save(this);" ><span class="btntxt">Save</span></button></div></div></form></td><td class='fwikiItemControls'></td></td></tr></table></section><a name="bottom"></a></div></main><div id="lt_altsidebar" class="lt2_sidebar lt_altsidebar" ><div class="dyn_nav_menu" data-observe-resizes ><div class="sidebar_group block_element_id"><div class="sidebar_content lt2_nogrouptitle "><div class="greenbox"><h2 class="first">What is the MDS?</h2><div><p>The Melvil Decimal System (MDS) is named after Melvil Dewey, whose <a href="https://en.wikipedia.org/wiki/Dewey_Decimal_Classification">Dewey Decimal System</a> is used by libraries around the world.</p> <div id="classificationexplanation" style="display: none;"> <p> The system is "decimal" in that it is entirely composed of numbers. Each level of the classification is a number from 0 to 9. This makes MDS/DDC easy to understand and manipulate. It is the choice of most US public and school libraries, and is used around the world. </p> <p> Although Dewey invented his system in 1876, recent editions of his system are in copyright. LibraryThing's Melvil Decimal System is based on the classification work of libraries around the world, whose assignments are not copyrightable. The "schedules" (the words that describe the numbers) come from a pre-copyright <a href="http://www.archive.org/stream/decimalclasific00dewegoog#page/n68/mode/1up">edition of his system</a>, John Mark Ockerbloom's <a href="http://everybodyslibraries.com/free-decimal-correspondence/">Free Decimal System</a>, and member contributions. </p> <p> "Dewmoji" is an emoji versions of the Melvil Decimal System, <a href="https://blog.librarything.com/main/2016/07/introducing-dewmojis/">created by LibraryThing in 2016</a>. </p> <p> Our lawyers would like you to know that the name "Dewey," "Dewey Decimal," "Dewey Decimal Classification" and "DDC" are registered trademarks of OCLC. </p> </div> <div><a href="#" onclick="$J('#classificationexplanation').toggle(); $J('#readmore').toggle(); $J('#readless').toggle();"><span id="readmore">Read more</span><span id="readless" style="display: none;">Read less</span></a></div></div></div><div class="greenbox" ><h2 class="first">Related Genres</h2><h3>Genres</h3><div class="inside"><div class="genreline"><div class="text"><a href="/genre/9/History" class="" >History</a></div><div class="chartline2" style="min-width:200px;height:20px" ><span style="width:33%"></span></div></div> <div class="genreline"><div class="text"><a href="/genre/70/Sociology" class="" >Sociology</a></div><div class="chartline2" style="min-width:200px;height:20px" ><span style="width:22%"></span></div></div> <div class="genreline"><div class="text"><a href="/genre/20/General-Nonfiction" class="" >General Nonfiction</a></div><div class="chartline2" style="min-width:200px;height:20px" ><span style="width:9%"></span></div></div> <div class="genreline"><div class="text"><a href="/genre/69/Anthropology" class="" >Anthropology</a></div><div class="chartline2" style="min-width:200px;height:20px" ><span style="width:7%"></span></div></div></div><h3>Supergenres</h3><div class="inside"><div class="genreline"><div class="text"><a href="/genre/62/Nonfiction" class="" >Nonfiction</a></div><div class="chartline2" style="min-width:200px;height:20px" ><span style="width:100%"></span></div></div></div></div><div class="greenbox"><h2 class="first">Related LC Classifications</h2><div><span class="lccsch"><a href="/lcc/HT851-1445" class="bluelink cattype_item" target="_top" >HT851-1445</a>.</span> <a href="/lcc/HT851-1445" class="bluelink cattype_item" target="_top" ><span class="wording">Slavery</span></span></a></div> <div><span class="lccsch"><a href="/lcc/HD4801-8943" class="bluelink cattype_item" target="_top" >HD4801-8943</a>.</span> <a href="/lcc/HD4801-8943" class="bluelink cattype_item" target="_top" ><span class="wording">Labor. Work. Working class</span></span></a></div> <div><span class="lccsch"><a href="/lcc/HT601-1445" class="bluelink cattype_item" target="_top" >HT601-1445</a>.</span> <a href="/lcc/HT601-1445" class="bluelink cattype_item" target="_top" ><span class="wording">Classes</span></span></a></div> <div><span class="lccsch"><a href="/lcc/HD28-9999" class="bluelink cattype_item" target="_top" >HD28-9999</a>.</span> <a href="/lcc/HD28-9999" class="bluelink cattype_item" target="_top" ><span class="wording">Industries. Land use. Labor</span></span></a></div> <div><span class="lccsch"><a href="/lcc/E441-453" class="bluelink cattype_item" target="_top" >E441-453</a>.</span> <a href="/lcc/E441-453" class="bluelink cattype_item" target="_top" ><span class="wording">Slavery in the United States. Antislavery</span></span></a></div> <div><span class="lccsch"><a href="/lcc/HQ101-440.7" class="bluelink cattype_item" target="_top" >HQ101-440.7</a>.</span> <a href="/lcc/HQ101-440.7" class="bluelink cattype_item" target="_top" ><span class="wording">Prostitution</span></span></a></div> <div><span class="lccsch"><a href="/lcc/E300-453" class="bluelink cattype_item" target="_top" >E300-453</a>.</span> <a href="/lcc/E300-453" class="bluelink cattype_item" target="_top" ><span class="wording">Revolution to the Civil War, 1775/1783-1861</span></span></a></div> <div><span class="lccsch"><a href="/lcc/HQ12-449" class="bluelink cattype_item" target="_top" >HQ12-449</a>.</span> <a href="/lcc/HQ12-449" class="bluelink cattype_item" target="_top" ><span class="wording">Sexual life</span></span></a></div> <div><span class="lccsch"><a href="/lcc/GN301-674" class="bluelink cattype_item" target="_top" >GN301-674</a>.</span> <a href="/lcc/GN301-674" class="bluelink cattype_item" target="_top" ><span class="wording">Ethnology. Social and cultural anthropology</span></span></a></div></div></div></div></div></div><div id="helpdrawer" data-helpurl="https%3A%2F%2Fwiki.librarything.com%2Fapi.php%3Fformat%3Djson%26action%3Dparse%26origin%3D%2A%26servedby%3D1%26page%3DHelpThing%3AMds_controller" data-baseurl="https%3A%2F%2Fwiki.librarything.com%2Fapi.php%3Fformat%3Djson%26action%3Dparse%26origin%3D%2A%26servedby%3D1%26page%3D" ><a id="hdclose" href="#" onclick="lt.helpdrawer_close();return false;" class="greylink" title="Close Help"><i class="fa-solid fa-circle-xmark"></i></a><div id="hdc"></div></div><footer class="lt2_footer bluelink"><div class="lt2_footer_links controlitems"><a href="#" id="stylepicker_switch" onclick="lt.stylepick_switch();return false;"><i class="fas fa-text-size"></i> Change Style</a><a class="footer_displaymode" data-dmode="0" title="Toggle Desktop Version" href="#" onclick="return lt.desktopversion();"><span id="footer_desktop"><i class="fas fa-desktop"></i>Desktop View</span><span id="footer_mobile"><i class="far fa-mobile-alt"></i>Mobile View</span></a></div><div class="lt2_footer_links"><a href="/" target="_top">Home</a><a href="/about" target="_top">About</a><a href="/contact" target="_top">Contact</a><a href="/privacy" target="_top">Privacy</a><a href="https://wiki.librarything.com/index.php/HelpThing:Mds_controller" target="_top">Help</a></div><div class="lt2_footer_links small"><a href="https://blog.librarything.com" target="_blank">Blog</a><a href="https://wiki.librarything.com">WikiThing</a><a href="/commonknowledge/">Common Knowledge</a><a href="/ner">Early Reviewers</a><a href="/legacylibraries">Legacy Libraries</a><a href="/local">Local</a><a href="/developer">APIs</a><a href="https://www.librarycat.org/">TinyCat <i class="lti lti-tinycat"></i></a></div></footer><div id="lt2_stylepicker"><div id="lt2_stylepicker_close" onclick="lt.stylepick_switch();"><i aria-label="Close" class="fas fa-times"></i></div><a href="#" title="verdant_14" data-style="verdant_14" onclick="lt.stylepick('verdant_14');return false;" class="stylepicker_item alwaysblue selected ">Verdana Standard</a><a href="#" title="verdant_12" data-style="verdant_12" onclick="lt.stylepick('verdant_12');return false;" class="stylepicker_item alwaysblue ">Verdana Small</a><a href="#" title="verdant_tight_12" data-style="verdant_tight_12" onclick="lt.stylepick('verdant_tight_12');return false;" class="stylepicker_item alwaysblue ">The Lorax</a><a href="#" title="system_14" data-style="system_14" onclick="lt.stylepick('system_14');return false;" class="stylepicker_item alwaysblue ">System Standard</a><a href="#" title="system_15" data-style="system_15" onclick="lt.stylepick('system_15');return false;" class="stylepicker_item alwaysblue ">System Large</a><a href="#" title="georgia_14" data-style="georgia_14" onclick="lt.stylepick('georgia_14');return false;" class="stylepicker_item alwaysblue ">Georgia</a><a href="#" title="system_large" data-style="system_large" onclick="lt.stylepick('system_large');return false;" class="stylepicker_item alwaysblue ">Large Text</a><a href="#" title="atkinson_16" data-style="atkinson_16" onclick="lt.stylepick('atkinson_16');return false;" class="stylepicker_item alwaysblue ">Atkinson</a></div><div id="gdpr_notice" class=""><button class="btn" id="gdpr_closebutton" onclick="gdpr_notice_clicked();return false;">I Agree</button><div id="gdpr_content">This site uses cookies to deliver our services, improve performance, for analytics, and (if not signed in) for advertising. By using LibraryThing you acknowledge that you have read and understand our <a href="/privacy" class="alwaysblue">Terms of Service and Privacy Policy</a>. Your use of the site and services is subject to these policies and terms.</div></div></div><div id="lt2_page_overlay"></div><div id="bottomscripts"><script loadpriority="high" data-bundle="lt2_deferred" src="https://image.librarything.com/js2/lt2_tabs.js?v=2" type="text/javascript" language="Javascript"></script><script loadpriority="high" data-bundle="lt2_deferred" src="https://image.librarything.com/js/jquery.truncator.js?v=2" type="text/javascript" language="Javascript"></script><script loadpriority="high" data-bundle="lt2_deferred" src="https://www.librarything.com//js/lt_utility.js?v=5297" type="text/javascript" language="Javascript"></script><script loadpriority="high" data-bundle="lt2_deferred" src="https://image.librarything.com/js/jquery.easing.1.3.js?v=2" type="text/javascript" language="Javascript"></script><script loadpriority="high" data-bundle="lt2_deferred" src="https://www.librarything.com//js2/lt2_popup.js?v=5297" type="text/javascript" language="Javascript"></script><script loadpriority="high" data-bundle="lt2_deferred" src="https://image.librarything.com/js2/imagesloaded.pkgd.js?v=2" type="text/javascript" language="Javascript"></script><script loadpriority="high" data-bundle="lt2_deferred" src="https://www.librarything.com//js2/lt_lightbox2020.js?v=5297" type="text/javascript" language="Javascript"></script><script loadpriority="high" data-bundle="lt2_deferred" src="https://www.librarything.com//js2/lt_maxbox.js?v=5297" type="text/javascript" language="Javascript"></script><script loadpriority="high" data-bundle="lt2_deferred" src="https://www.librarything.com//js2/addbooks_express.js?v=5297" type="text/javascript" language="Javascript"></script><script loadpriority="high" data-bundle="lt2_deferred" src="https://www.librarything.com//js2/collections.js?v=5297" type="text/javascript" language="Javascript"></script><script loadpriority="high" data-bundle="lt2_deferred" src="https://www.librarything.com//js2/ratings.js?v=5297" type="text/javascript" language="Javascript"></script> <script data-bundle="explore_classification" src="https://www.librarything.com//js2/classifications.js?v=5297" type="text/javascript" language="Javascript"></script><script data-bundle="explore_classification" src="https://www.librarything.com//commonknowledge/fwiki.js?v=5297" type="text/javascript" language="Javascript"></script> <script async src="https://www.googletagmanager.com/gtag/js?id=G-3FXSBC8C5V"></script> <script> window.lt2_prod = 'lt2'; window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} if (window.lt2_prod === 'talpa') { gtag('consent', 'default', { 'ad_storage': 'granted', 'ad_user_data': 'denied', 'ad_personalization': 'denied', 'analytics_storage': 'granted' }); } else { let consent_settingsA = {"ad_storage":"denied","analytics_storage":"denied"}; var consent_setting = 'denied'; gtag('consent', 'default', { 'ad_storage': consent_settingsA.ad_storage, 'ad_user_data': 'denied', 'ad_personalization': 'denied', 'analytics_storage': consent_settingsA.analytics_storage }); } gtag('js', new Date()); gtag('config', 'G-3FXSBC8C5V'); //gtag('config', 'LTNonMember'); // global_domain = </script> </div><script>(function(){function c(){var b=a.contentDocument||a.contentWindow.document;if(b){var d=b.createElement('script');d.innerHTML="window.__CF$cv$params={r:'8e999dc2982a4da7',t:'MTczMjc4OTEzMS4wMDAwMDA='};var a=document.createElement('script');a.nonce='';a.src='/cdn-cgi/challenge-platform/scripts/jsd/main.js';document.getElementsByTagName('head')[0].appendChild(a);";b.getElementsByTagName('head')[0].appendChild(d)}}if(document.body){var a=document.createElement('iframe');a.height=1;a.width=1;a.style.position='absolute';a.style.top=0;a.style.left=0;a.style.border='none';a.style.visibility='hidden';document.body.appendChild(a);if('loading'!==document.readyState)c();else if(window.addEventListener)document.addEventListener('DOMContentLoaded',c);else{var e=document.onreadystatechange||function(){};document.onreadystatechange=function(b){e(b);'loading'!==document.readyState&&(document.onreadystatechange=e,c())}}}})();</script>