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: "www.loc.gov",cType: 'non-interactive',cRay: '8e6f752b7ee0a02f',cH: '7zwN7MkLieRlnjUn7Ve4Hjw1CKVQW6_.ZInNc9w9hN4-1732347066-1.2.1.1-U0tgMmrzUDkzh174SJvn9Z1M1.pVFaygMPyjA6aNdZqEocFPy6DU64NpYX2Fl9Oh',cUPMDTk: "\/standards\/iso639-2\/php\/code_list.php?__cf_chl_tk=af8o3RXI1T3XY337XEbRxjN.LX56cdanWsJmkLJwclw-1732347066-1.0.1.1-7QmoEY0GVgQcR9SiA7rhpBFRHJXbTZdV.4V_xJI8rZ4",cFPWv: 'g',cITimeS: '1732347066',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/standards\/iso639-2\/php\/code_list.php?__cf_chl_f_tk=af8o3RXI1T3XY337XEbRxjN.LX56cdanWsJmkLJwclw-1732347066-1.0.1.1-7QmoEY0GVgQcR9SiA7rhpBFRHJXbTZdV.4V_xJI8rZ4",md: "_FemRcfn7llDTqzWnMLG6p1FpLw2thDyJUiNHENPSms-1732347066-1.2.1.1-awMJavP3rNjLgwqcn9plK5FqSrZtsUbK7M2492InKftvml0SwvySeyKRO0XZ3dSMl0dV8.yCwDYFv7AjG7AQMcKKoiJ0LvocUj1hpuntzDb0L9ioFyPRrzeNLH33XevTsnYz0ne25YvxB1nQt1oIWper2ERYmPZhBQMXgW46lGzF9mJ5L9cuUQubM_rt0u8vWQ5KXMUfs3B7mkGkfz3W4n0j8Bjd1MSFJZhSyCaTN4rzzthAEK65Eo3PYlQZQOd0laRZvUNF42OHwvHfOvbbiqqv3lRxAmzVOVaEyM_GZ2T.V.tunecV4jNdCwK0l5VZWVR_vvx0EhdvvZxKhBlRP4Hj0Bt.eK_F.Ht.b8DanEdFN80bmMPtvhdR__QRpBJ1GPgQTycrgkcXP7aa69l0gnf7W3rvuUmea3RpaPD3VCncqW62WMDTJLWMV.HBS9sjEvMIUUAxOvr1ziQTKJWYiliUFFcnLHNY1xz6Tm91YjYXOkvg6tHEfVrT_DnIeDlhNBh_2A09b6uNWhN8gIacC8bwMyLbQ_GhlKE_AYNW41KHTJ5fC.ehHr8rUlWfmWJqzczSQR7F7Y1FsvL07baHbgJgdjnollAGYirk.8QMoTMTwGG3F2aIzBFo213ngWkh.F6YyhG_UYiP6VFIzQyoSSum4RBCx_JeeXIOdBffjADAz7evrOvJ6JB13abD2UfyA38PCXohWNtXEJVZ7iQqHIwEzFPyKT_iDh3QeZUVkkraMXUVWm2QdoA4MZnVXShhcpYRTPsB3B6deKfX55hRONmRIbITvW5Z3RmU3_DwEZrLxQOFWT4czpeXPq9RaeqUkvvZUQGBkS0Thq53owmR5CQSex13_Tuw6lspJkwFpiQqt8rMEZG_blcEh_hdHiZlBrBxx9Buq5WCkxouO0MvgDZ6V7FvYGQ5wOvXZCzIPBnI8AJf.x6jsy9XDXZ0nnScxfuxA7WZyNCKGBY4INgkTeoUeEUZyikZtHi8G.dGL6xzY6QS.X1UrS19S__StGo4e6Us8CGVzBoaLKqBvtVwa3nHIVHk0Z543HTx8ehDo9YZNEvcpRwRRJ_HVLDnl4lo_0W_RngV3yvHoMUB95INjjSo7BhC_yqpCSKsbUDblNKnj93wngLd7u4yofkbsDqhBauHtY32yR6ls2l0hsdqi8S8fKpvA_gTuwnEVrIIFnBNrFQNdIPMmQm1_Rdkp1LpH9p8JNb8.MK2cOGRaUjC0E1yqbOquZ9qn5QVUmJ1F_aNTH.DxhZ9TIIMNmb6vpZmFoW3JU0AdWwG_FQ2Q1tyJCIhjmMXdXXssHEEnAAZq1JW59h8AWSWrgUDhyiooLmqve0X2OjV7ROmpREvh5zifaoWNQ_y6kPRLK2MrSnWYj8777MyfhIRl4rWtMwkYniw1GPtiXx1Kn33Rw5_7N6d3rcZ_YjqVD0IGt0BnXx0vQCAG8WAJg1XkGb4LX03JFe9Q_uPdAxeRLVIAPTIQNKvhlZclblIGvDslbQbY3mvCEc3mc4CNpmQ8MYsDc8FkCIDWL7OcDX_FaC1Iy7fTXmtzYt8iQqUy2mJHziNjGJL4QRrJwYYNAL_fkbXppVtgebUqtN60WBqgzFETmoqAB3mTxugxeazmF.Ip9hrX4vcxa2kOAysU7IB0X_UjiRfotgsjy3we8mKd_IgJToe8oafXkVH9GJHwZfYUdW8S9sQKXGFbVD4aYTGzOa06VpmVdBDfjgsmXmAwzLGpjKIqehfYRxWRvBJeKZgMW04vFfioZj_4DzK8llJKSvCafkRV.zO5FyrL8hPA7vQM8KPlEB3VI9M8W2V3tzyB3vATg2tPrJN5VDipTheOrGpRddIhgNZWgF_UroArzkyCisdIWytLeBVPlCMxMw7HhNRJdTyeedE4aAzPjupaB.RmLR2wh0mDEpsbPMlEvUMbuzM.qqP70Hl5BVWFI6Sei9mwQdklUJ.NSqI7.6IlblkaN1RTch2bK9kvdCSUsyFtr6J7Rz2aw",mdrd: "T1cyvltYWDLBzSJhQ4672YrHcLr4gr8hKPA75J8xn5o-1732347066-1.2.1.1-qdb.pd0zOI439Bj1DIaSzyJm.T5VbnDkmOHOjd07B6hyegZ6RDuqdSaXHiWBq8cGBC.mPqd4dxuKHaF5.1VmVm30hw73poV3RwTHUO9rFcUOJSp3gH80C_8THbbqNcQIA5mZy2oOvtk5g3Fjr9KNxjVD6oTI5wDkepMcy66zdH0awLte5lURErlooRQ5ddOzI8_jmeg_pl8AXtqhofQBi6goza9Z2Epu70LP7iWiCBq1pt_MKX8DE4P7kDrh6H_KWhZeHC0qrAOEBdu8QKR7nPZyuyIbC3CkULZKR3be.A30GReQoFcCg7vbJMMFpQU.0LIJi85f0FZ0B1E8_PXT2JhIvD6kJghrX9zikTS02_XoRUkBRzd80pYhnpp3aUw086x7nRXsibEcYCdaProVvfL9KJ6SIKUGf4xN2aIe179A2kifN_MPqxSdc1ZuYw9fWicwQCf4kyURL6sUBlsdJBk.eCZ15KHHtoSHB3xM6_oWyYwqZuXFuGEPMof9_wYUO_41d.5GxRY9dMyr4qUNTOxW5MTbEj1UrR6lWsvkh2g3Q7UNWbsMe26N4oTlbj9WMkCCD_TO8JY6hKASv1HKleUhZ4i9WSwDuZXN5bxGEqwfGoA._sOWvIUevPePoSR3xPAviHa.AN6qM2K_4z7P1xnAecHlKHSHnKlYkQ02ScUtvOudFi3hXnq30B31ZLZFrRwQEHw.HrOjbXat6LIbio1vgzUK0iyECV5e0DzcVEg_VuUZQc6JLqZ74lvL0FrBjHL3xaNANzaXHf_AMfM78n50yTonTmjE9_dpjBkIf6c12c4aJZXU6UzG2JHobZdkj4ghkxSZ.JsU1da9Y93qMQzDQKAS2SBXkz4HRvfCmtrJwfpq6HErMaYzfXd9CoirottiSYcUZmVlXa8seJZflGjh97pyMFvojbPlXY5Me0xnBi30n158PHKHGs9zoH6WoL7bsEvBFD3pSV7_dJ8Vbo1l.bTurbGNwdsHVJPmz.4q41BNB47OVlLC0PycDDWGdWXEKPqVkr60dcWtojzx7aKBMCmjoGKCT.oG3Cy6JlnKuEQMWck6fSBWK0q6Elsca4dcmGGy5qMV50DMAhzRtNtd1eLAZCJJoZwhsO8vCcV4y7nrLh3bVm576amknYOshUIXOjowwNS3XN_a7ej9bPy9sIOnum9f8guVuyHEkkzDQcFNh7mRa7_ZeDAOrGMuZxxH14fIXcLK9TzP97s08C5caz6t5QzLkK4INcYSPz75r_Bop3UmBUkkdM9PbAHMvpixk.gzOr_zv6wTUXgRSnuXmkxEROUgHJ5A9rLrRQQrFjpn6PAmBWwicE3M0EUqeGAcHt709mxuFgAn2txzdz7aGHbVPSCr8jZzxZnyEujBIsh0k3_z1eeJ4OiAeLO7Th8i3YMqdAkqwzLgUTDjhLLqnsHh7sUffOD7bc7suQsSvHeVla0Rg3jqAyxmWxxQF8pgC0MuCzTDYnlbIAgvydzWCJau9.E2_LOZp1RrPIkXppVtc.NEeowTZQYE8Weqfnz5Px7R1kBujv4wD3K.3v5wfc9i3tqZ_2nJhITpl._L8HDd0lUyMTUq2vR3FtTSY2Nr2zxnCQ67cR771MlRk8fab09Lv2lZquJs7FvneOVombzPx2GgPfCzGvDrypxLObQgjfUDalk8WlamQmfdB_wH4V8wm3yKXc4sYG5wolf3d_UIk875j52ILnXy4Z8YPQILAsOKZXQ4yKfRyTa.B.4NKf2VbW5T2EkHxCfqxnj_Pni1dOhv1edcny45g3BehHx1tOBQfmpB3ilpLQIXkMv_SS7X8aR6LS98fklh7BIMT5WfrIhO2e2Ez3_.L4m7y_IjrjvrZIQQn_4y7b1vXjVgaVtNC0GZZXio15XtB.oN4hxWxZcHPvqk5qxEGJeVJtlw87hy89dCpyJNxThDug"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=8e6f752b7ee0a02f';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, "\/standards\/iso639-2\/php\/code_list.php?__cf_chl_rt_tk=af8o3RXI1T3XY337XEbRxjN.LX56cdanWsJmkLJwclw-1732347066-1.0.1.1-7QmoEY0GVgQcR9SiA7rhpBFRHJXbTZdV.4V_xJI8rZ4" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>