CINXE.COM

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="120"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "id.loc.gov",cType: 'non-interactive',cRay: '8e759b685f962e74',cH: 'TjcKvNkLIFZNr_oZ7d6XNBWpcYa8OmyKasAKZDkg_38-1732411546-1.2.1.1-bcIqj6vO_02Y2B7Pz80rXfeZnY_U_oFkcdxxa29HcvlE9irzgwZsK00Pv.1W2qO6',cUPMDTk: "\/vocabulary\/identifiers\/lccn.html?__cf_chl_tk=SNr1mHY2VlzNj_iWiZ9wejlGppsMA.Ht8DVJTGqVv9w-1732411546-1.0.1.1-8rhu7u0y7PoW8hp765CRPDki1oIMfmyBsT7iexQDBxE",cFPWv: 'g',cITimeS: '1732411546',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/vocabulary\/identifiers\/lccn.html?__cf_chl_f_tk=SNr1mHY2VlzNj_iWiZ9wejlGppsMA.Ht8DVJTGqVv9w-1732411546-1.0.1.1-8rhu7u0y7PoW8hp765CRPDki1oIMfmyBsT7iexQDBxE",md: "_rDL7WFZfeqHFq_NpjIWjnUIkqBPLdSOkyI8v3FW8Zo-1732411546-1.2.1.1-bt3NXmoQ6DMrAtFAv6faUS2Ont._Yuv4uocshgyGYfpPXAnR11SMG1Hwnf2dd2k1CBg8UA5GhduVInvWYfHbTvjtbXTmjhJk9PUJt9K8cGaJmp.iL_kUZigF.99xcX07mAxLRneTayM2sng36TNZY1R90Qb4F9Ld_SXUUNb99hjQhshLxBcFy7OdPYk3iR4wVTxw2IMEmmcE6YGseeF9HE.64JUNIa8QjNS3z6MvBcodPE5a9eQy5Wx0quLXPNEEAW70WKmdyVzr4uV9QHO1UU7Yc9Z6IszKejqFTA8CB1Cz97_NwmsfDGQt9jlTJxClbp2RJUAJypGc.F.vUacI1RXefqRuudDYkPjvnRonkUZWFTn_ycQ8_ZNa5oi8T27zW4e4_HRuznQcnD6GNkf.akAgV_f4Vl4WOlDSJLMIdSpNKhbvkJn2uP7e2pz5M7QlmIPlJmRGuvcfIC_zvASSYOF7JRc9IAjTbFeEvK5cwprfw.Aksar1MUXMwuYPoGutw14DMr11Rkz7KEU658qxnplLfmcxAaQkDoQQz7bqAPXg0qonbiKLlnVkaB0kDlQ7BPr7coQQ41KFPCHxoZEDqm5b9doeVvI2G.r4sRZzVxXf26igo8pitQ0UMIKkKpt8LA30D6DeW35dVLo3N62bKN803Si2gS2zf5YmGYSG.syzUDI11ru5XXfNTdw8EaEWQhXcyiwIBTH8Rwh6PqwvtdB_vP9ef3h65FycKvmY8XusJIm1c62c6g89n01ClcGtDhYs9CcnR5IbabWvTcviE1zRos9YcTpwEBC_sMpuce9kdMTdJzeJdKQKjQaZBScEbNWYwK2Zrt_ktqxGjacf1CyIsv.T8wCl2uBGhtokCzgrWgC.fLJgAtNoRaFgIECzxdSSfVwehEp3uFu_B9NKeIYyroUuOIsAIYSbeEhxxsDFT5fbVT.OxONzz06RtPnS.KccZpSqiJ96F5H6g1rmsJPfpZ5M8l91H9VjHyha7FrQx5pO25f73mXgcdeg2d8ulcEenfkyTVBstME5_xq3RwY1ZefVDOVvIZDAvAADMTUUl3Gls5wr6nZzt_KFlSiDsiebFL5KqQvbCWQu7fZkM3rTLsYRDB8XmxCelrB8LDuM4vXdFQ1eWt1c1mTwkEYgxHuf485kM9R1VpgRb3C4t4MCOATfuYdIuYLplL2wQvHldKwvwrdO8D2CSDj.lQq_9FaCZR6UeLKwn.6eUE_ePwJklGqaLPJt.5qCzE9Mh_3YY5TrwajGD9LMGi7YJeT99KlsQaL9ShiiODGQD.3HYFUWSifCXZnwO_yLW7xHPLy0rP3AEtVM9ReamwBLtlSZAYuQH9117fgE.g_SFNMqiDorXF6Ao47nllS3Uq5eNq95lj0xHYehWVifuAcAJ4vFJ.cLdvLQZBDKvCNQDr1a5Sz3FkTTlLSBriIhfftHv6NGlG.xC68cV5JvnWe4GfytBsjRqg2i8DkwMF.Kz8qNpIlCTZqATYhavgM_eIa3icd8civKo5mp_1TWrZ.SiLbRMnmykp7gfVJWHqTTe.R1aMQclQwlOF7DcGkiz.XIKsO2kO6zdaeewZYQ7dzQEwgqwqM2jsDvNPQh8R34ue6i2RivYltRHNpfjf6G2.qWEOnM217NEimJx9Z4rTyfOkhDeIw6gxhmfgkdQChrUedQbmh.sUogAsOU0bthowpG6BQ_swwCGIiuIRnnLjJBYDPL03QHPVd5VlguSgtisCFHwCGwojoIg.5LMcfAtUu0vs2f5HRpmWNRQOGkwf3T.MAxJa1wabqLybDkUopbCQQGqTBZxgzTbVsLKNGwk.DReTAV1oOVa2jURvLzQtKxm72cBRoSOnUF9v.Er0UXLJlg6VAidfsKhSCzONY86A0zSa9FFlmxF_EUU2SK73u.0PFvJlcQEDm7FKiy4nZlyupJFnDf1gBrgM96pWjUXiBW72ArVxRbnlsfrs0asBnsJri43ZYwrrrCmxdKM.251.dBtQ",mdrd: "yGLbeWt9askaCCfFqG9OifJ8M2Ge7vhH.20_tbLM5WA-1732411546-1.2.1.1-75L4W0ysQJk9j181FUnlwSeyRIoCdD3Lh8bOZmY4EdujoK6qgxMa4zkNxiD.HPWT4YwtwGQ7Y0XWQ6zaUkgc1IykFs.H5kxrn8aGSfL5xJXKge4Gd_LBBuM.QQbLeRcWZg5XhNP5CoeN31M1aUe73UjuIppQwO48H8N.aLeTLN7GHmNXTxUXk24XO.dA.pBCI2rNLc4WMWIiOhwNREesaS7kod_ZRZlbl5LPfBzlZ_iNpupvS1e0RvqERSC0jCQgDujaRHeUKEKlYEWKVD.Oy2gCzvoHtwdLMLOKZpkDMSub4Aii52vhMO.SP.hMCpVqRUzgZaJubdiz7Lnddd6Ekuel2S3j7Tl.agWYskLYAoyKi9BFI4ER57TVn7zHfY2ZhyeAF9sbK2SQ2LITLmqS2mEawZjwjvDVNTDtth9wWPK9d3ocwnBjRJC2jr9qL_6xN_l4MaQKP577RNFqLoN_rUFXHgt40vgMnOkieJE3OP3oXtS8ePIlfcqgTt8PXHxss81Rf7d2MzFzHqbUEFwPjpKJoNMStpxvTWHYWKL8fQIYXd1EzdRpqgGlON3uIg.MegACQp3GRxK0lwBpGpsKmCpQMfX0NAkpHbVYk03p47CJt4oK0Nb4W8odpZ6uUs5FAM8CHOt5p9yBc3BoVwu11r5WgM_VpQdMASIBtFjGcGHedv5.UQa7FHbT3mgC5Hedsr0ljyLWaMka78Gil4IPSofF.UD5NJWB_avdtmIBuCMozXaPSRouD8KzD0hI1TvXCOcjmPE6t2BwGMcs4KHuvVo65avEu542e9F3jZtp_LdInRP_rvnWL9RBhtNKFsREv8TCSMSvxRuqkX_nEBEmxg2m7qj52TFiyESxKj5VgR2iLf7C09uPNtTwIWq2GrOw7MnD2YWI1lnx3.6rvgcqMNc4Ly.sz2y0hHehR.t8mbQgA_OeLcJH2rz14vFJkSlS6YnExhl5BGaVbz_B9.JSBROosogIidhDqaAcW2xwOD9mTTQ.HmFnun.9F1oBFUnByYTxTWR3kuBP0KX1sr5iVfafrQmrnb.gMtQjLt2DyrL.9STi1ct36v5BtAoNrSQCazTRU8UZKUDga7W5_9YsuCY51M1.5Ncd8z8WImmoH9UXKC6_ERde._f2WGyjbsI1mMwsY2cnN_.nrEWQrqxVpep3rFfxZVrzIch0o0RcdEebdElCYM9jzkmAUWyhFgi3lGBVwaPREDEfq2YkrLWPusCc4y_qurXcMdu6vkZvXg5L_BPbBUJnL7DQT8zW_nfQ5ub8xyMJwPDZudcBnD39KSG7Xd98ib3Q3GeA0obZoD0ga3DTtByeoaoXfJkM6.LWjb0UTvWRUGKx6u1lBcv7Uy1jzudRmqwHs9zMT6aRHEXPcaCv4GE6.j1BngAJt4PHMeGZofytYtTrhI5y5oZlJh5e4XCv4jq1Om1SE3U9VCImiQmdn3SF5OCxgHMqa8q3NGU50k2O2QvPdWDTcnIqR0KZevAM0MbUEtNFbn5_gvl3DnYl0YdxHCRk7rCJ_g14B1aFdrxHvWunSXC6MgqM96NffS5xkdniO3qzD0Njf9XYMPtNOjHGMfzIifVzVmJiPjIrunAyDZTA6rb8Oz_gIBJAqtN2PgE0274GbdCgkIug.53MJlx46XuJinJPvTpUtLyaGu84kRN3Mtb5TNYwhgICnFc3kGIzAY13WlM46KSS5Q9foo3oQIqn8IGcwkKRaiH5yyB8Afl0Jn1iw2zTmxoucfGP.7zlEUZepHm5x0RjN9abunpd7r6Lq6s1_b9SUEdEgIWuFP9ivrE8YuMY9htXk9qKE8PSL51PLR7z6VZ1ZfothlR8.46Z6q4n06W1EqsXGTg3Ig9zVosgfzApsYU.gGMtuKZOdYxYh1CZ0zEI7M4g_9RKzJ9VLxqeNr008CUuBvpu17yklW3w1VKeHS7Vx0mLEC25mmdn4aaGRt7NUcAitVFxhNn502i3ljoY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=8e759b685f962e74';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/vocabulary\/identifiers\/lccn.html?__cf_chl_rt_tk=SNr1mHY2VlzNj_iWiZ9wejlGppsMA.Ht8DVJTGqVv9w-1732411546-1.0.1.1-8rhu7u0y7PoW8hp765CRPDki1oIMfmyBsT7iexQDBxE" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>