网站 loc.gov 是在线的

Date Wed, 01 May 2024 20:02:45 GMT Content-Type text/html; charset=UTF-8 Content-Length 159229 Connection close X-frame-options sameorigin Access-control-allow-origin * Referrer-policy no-referrer-when-downgrade Strict-transport-security max-age=3600; preload X-content-type-options nosniff Etag "7d197013ecebf47fa362d269780f5992" Expires Wed, 01 May 2024 20:54:05 GMT X-grace none X-nearside-cache HIT X-nearside-cache-hits 22 Cache-Control no-transform, max-age=3600 Age 212 CF-Cache-Status HIT Accept-Ranges bytes Server cloudflare CF-RAY 87d25ef72bc93c89-CDG

Description The world's largest library. View historic photos, maps, books and more. Contact experts for help with research. Plan a visit. Home of U.S. Copyright Office. Dc_identifier http://www.loc.gov/ Viewport width=device-width,initial-scale=1 Version $Revision$ Msvalidate_01 5C89FB9D99590AB2F55BD95C3A59BD81 Dc_language eng Dc_source Library of Congress, Washington, D.C. 20540 USA Dc_title Home | Library of Congress Dc_rights Text is U.S. Government Work Dc_type web page Msapplication-tilecolor #ffffff Msapplication-tileimage