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>Common Knowledge | Data Browser | 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="Common Knowledge | Data Browser | 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="Common Knowledge | Data Browser | 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"> <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><link data-bundle="context-page-cssA" rel="stylesheet" href="https://www.librarything.com//commonknowledge/fwiki.css?v=5297" type="text/css"><script fetchpriority="high" src="https://image.librarything.com/js/jquery-3.7.1.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 ck changelog 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:CommonKnowledge/Search" 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:CommonKnowledge/Search" 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><nav id="lt_mainsidebar" class="lt2_sidebar lt_mainsidebar" ><div id="mobile_pagemenu"><div id="sidebar_control_name"><span id="sidebar_dropdownmenu_currentpage_name">ChangeLog</span><span class="sidebar_control_iconstack fa-stack fa-1x"> <i class="fas fa-copy fa-stack-1x"></i> <i class="sidebar_control_iconstack_caret fas fa-caret-down fa-stack-1x"></i> </span></div></div><div class="dyn_nav_menu" data-observe-resizes ><div class="sidebar_group maingroup"><div class="sidenav_subgroup lt2_nogrouptitle " id="sidenav_action_subgroup_itemA"><a id="lt2_sidebar_main" href="/commonknowledge" class="sidebar_menu_item" ><span class="lt2_sidebar_accordion_title">Common Knowledge</span></a></div></div><div class="sidebar_group secondgroup"><div class="sidenav_subgroup lt2_nogrouptitle " id="sidenav_action_subgroup_itemA"><a id="lt2_sidebar_clouds" href="/commonknowledge/clouds.php" class="sidebar_menu_item" ><span class="lt2_sidebar_accordion_title">Clouds</span></a><a id="lt2_sidebar_map" href="/commonknowledge/map.php" class="sidebar_menu_item" ><span class="lt2_sidebar_accordion_title">World Map</span></a><a id="lt2_sidebar_changelog" href="/commonknowledge/search.php" class="sidebar_menu_item selected" ><span class="lt2_sidebar_accordion_title">ChangeLog</span></a></div></div><div class="sidebar_group search"><h2 class="section_title">Search CK</h2><div class="sidebar_content"><form action="/commonknowledge/search.php" id="searchform" method="GET" class="form"> <div class="form-group"><div id="ltckSearchModeMenu_wrapper" class="ui_menu_compose_caret_wrap wide" ><div class="ui_menu_compose_caret" islt2="0" style="display:none;" ><i class="fas fa-caret-down"></i></div><select name="f" id="ltckSearchModeMenu" onchange="handleCKSearchMenu(event)" class="form-control form_sidenav form-control" > <option value="0" >All Fields</option> <option disabled="1" >─────────────</option> <option value="15" >Agent</option> <option value="42" >Alternate titles</option> <option value="4" >Awards and honors</option> <option value="8" >Birthdate</option> <option value="44" >Birthplace</option> <option value="29" >Blurbers</option> <option value="57" >Book haiku</option> <option value="19" >Burial location</option> <option value="61" >Canonical DDC/MDS</option> <option value="66" >Canonical LCC</option> <option value="22" >Canonical name</option> <option value="21" >Canonical title</option> <option value="62" >Canonical version of tag</option> <option value="65" >Cause of death</option> <option value="24" >Connections</option> <option value="56" >Contributors</option> <option value="43" >Country (for map)</option> <option value="47" >Date</option> <option value="12" >Date of death</option> <option value="30" >Dedication</option> <option value="63" >Description</option> <option value="14" >Description</option> <option value="59" >Description</option> <option value="60" >Dewmoji</option> <option value="13" >Disambiguation notice</option> <option value="9" >Education</option> <option value="28" >Epigraph</option> <option value="67" >Ethnic or racial identity</option> <option value="25" >First words</option> <option value="5" >Gender</option> <option value="34" >Important events</option> <option value="2" >Important places</option> <option value="46" >Inventory Source</option> <option value="26" >Last words</option> <option value="53" >Legacy Book Value</option> <option value="50" >Legacy Category</option> <option value="52" >Legacy Inventory Value</option> <option value="48" >Legacy Library Size (Titles)</option> <option value="51" >Legacy Size (volumes)</option> <option value="31" >Legal name</option> <option value="55" >Links</option> <option value="36" >Media reviews</option> <option value="39" >Modern wording</option> <option value="18" >Nationality</option> <option value="49" >Notes</option> <option value="17" >Occupations</option> <option value="10" >Organizations</option> <option value="58" >Original language</option> <option value="16" >Original publication date</option> <option value="41" >Original title</option> <option value="68" >Other identities</option> <option value="32" >Other names</option> <option value="3" >People/Characters</option> <option value="45" >Place of death</option> <option value="6" >Places of residence</option> <option value="54" >Provenance marks</option> <option value="40" >Publisher Series</option> <option value="1" >Publisher's editor</option> <option value="27" >Quotations</option> <option value="37" >Related movies</option> <option value="33" >Relationships</option> <option value="23" >Series</option> <option value="20" >Short biography</option> <option value="64" >Translation</option> <option value="38" >Wording</option> <option disabled="1" >─────────────</option> <option value="username" >Username</option> </select></div><div class="flex flex_form_inline_with_button search_inline_with_button"><input type="search" onload="searchBoxOnLoad();" maxlength="512" id="ltcksearchbox" class="form-control form_sidenav" results="20" autosave="LTCKsearch" placeholder="Search CK" name="q"><button type="submit" value="" value="" class="func_lt2_display_ui lt2button btn btn-block btn-default" type="submit" role="button" title="Search Common Knowledge" ><span class="btntxt"><i class="fa-solid fa-magnifying-glass"></i></span></button></div></div></form></div></div></div></nav> <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> <p>You must be signed in to search Common Knowledge.</p><a name="bottom"></a></div></main><div id="helpdrawer" data-helpurl="https%3A%2F%2Fwiki.librarything.com%2Fapi.php%3Fformat%3Djson%26action%3Dparse%26origin%3D%2A%26servedby%3D1%26page%3DHelpThing%3ACommonKnowledge%2FSearch" 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:CommonKnowledge/Search" 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="" 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:'8e9ccc9a6e0ea8eb',t:'MTczMjgyMjUwNy4wMDAwMDA='};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>