lcweb2.loc.gov

• name: description content: The Library of Congress is the nation's oldest federal cultural institution, and it serves as the research arm of Congress. It is also the largest library in the world, with more than 162 million items. The collections include books, sound recordings, motion pictures, photographs, maps, and manuscripts.
• name: dc.identifier content: http://www.loc.gov/
• rel: canonical href: http://loc.gov/
• charset: utf-8
• name: viewport content: width=device-width,initial-scale=1
• equiv: X-UA-Compatible content: IE=edge
• name: version content: $Revision$
• name: msvalidate.01 content: 5C89FB9D99590AB2F55BD95C3A59BD81
• name: dc.language content: eng
• name: dc.source content: Library of Congress, Washington, D.C. 20540 USA
• property: fb:admins content: libraryofcongress
• property: og:site_name content: The Library of Congress
• property: og:type content: article
• property: twitter:site content: librarycongress
• name: dc.title content: Home | Library of Congress
• property: og:title content: Home | Library of Congress
• name: description content: 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.
• property: og:description content: 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.
• name: dc.rights content: Text is U.S. Government Work
• name: dc.type content: web page
• property: og:image content: http://www.loc.gov/static/images/favicons/open-graph-logo.png
• property: og:image:secure_url content: https://www.loc.gov/static/images/favicons/open-graph-logo.png
• property: og:image:width content: 1200
• property: og:image:height content: 630
• name: msapplication-TileColor content: #ffffff
• name: msapplication-TileImage content: ms-icon-144x144.png

• Skip to main content
• http://lcweb2.loc.gov/
• Discover
• More...
• http://lcweb2.loc.gov/visit/
• Education
• Follow Us
• Donate
• More about the Library
• Help
• Contact
• http://lcweb2.loc.gov/live/
• Digital Collections
• Researchers
• Teachers
• World War II
• Newspapers
• Veterans
• Civil War
• Constitution
• Civil Rights
• http://lcweb2.loc.gov/javascript:void(0);
• http://lcweb2.loc.gov/programs/the-source/families-kids-teens/family-days/
• http://lcweb2.loc.gov/events/
• http://lcweb2.loc.gov/exhibits/
• http://lcweb2.loc.gov/research-centers/
• content that is free to use and reuse
• http://lcweb2.loc.gov/resource/highsm.34094/
• http://lcweb2.loc.gov/resource/cph.3c27774/
• http://lcweb2.loc.gov/resource/llserialsetce.08607_01_00-002-0428-0000/?sp=1&r=-0.006,0.167,0.905,0.54,0
• http://lcweb2.loc.gov/resource/fsa.8a26859/
• http://lcweb2.loc.gov/resource/ppmsc.02839/
• http://lcweb2.loc.gov/resource/highsm.38165/
• http://lcweb2.loc.gov/resource/fsa.8d26938/
• http://lcweb2.loc.gov/resource/fsa.8d41577/
• http://lcweb2.loc.gov/resource/gdcmassbookdig.wondersinmonster00cumi/?sp=295&r=-0.733,0.108,2.467,1.473,0
• http://lcweb2.loc.gov/resource/pcrd.1a00237/
• http://lcweb2.loc.gov/resource/gdcmassbookdig.livingworldacomp00buel/?sp=173
• http://lcweb2.loc.gov/resource/cph.3b41453/
• http://lcweb2.loc.gov/resource/hec.36563/
• http://lcweb2.loc.gov/resource/mrg.06899/
• http://lcweb2.loc.gov/resource/stereo.1s47471/
• http://lcweb2.loc.gov/resource/fsa.8b09870/
• http://lcweb2.loc.gov/resource/pan.6a00865/
• http://lcweb2.loc.gov/resource/llserialsetce.05004_00_00-002-0196-0000/?sp=339
• http://lcweb2.loc.gov/resource/gdcmassbookdig.storyofcreation00camp/?sp=235&r=-0.87,-0.082,2.741,1.636,0
• http://lcweb2.loc.gov/resource/hec.14519/
• http://lcweb2.loc.gov/resource/highsm.12830/
• http://lcweb2.loc.gov/resource/highsm.54578/
• http://lcweb2.loc.gov/resource/highsm.33530/
• http://lcweb2.loc.gov/resource/hec.24308/
• http://lcweb2.loc.gov/resource/highsm.14523/
• http://lcweb2.loc.gov/resource/llserialsetce.08607_01_00-002-0428-0000/?sp=631&st=image&r=-0.096,-0.062,1.176,0.426,0
• http://lcweb2.loc.gov/resource/llserialsetce.06640_00_00-003-0310-0000/?sp=319&r=-0.791,-0.054,2.582,1.542,0
• http://lcweb2.loc.gov/resource/pcrd.1a00233/
• http://lcweb2.loc.gov/#top
• Accessibility
• Legal
• Inspector General
• External Link Disclaimer
• Careers
• Donate

• Shop
• https://ask.loc.gov/
• Library Catalog
• Copyright.gov
• https://www.congress.gov/
• https://newsroom.loc.gov/news/library-of-congress-celebrates-america-s-250-years/s/f24d73a1-2beb-4ca8-bbb7-49ebc3f65145
• https://newsroom.loc.gov/news/national-recording-registry-inducts-sounds-of-taylor-swift--beyonc---the-go-go-s--vince-gill--weezer/s/bc258688-e655-4ffb-9f91-f32b94956f36
• https://www.loc.gov/programs/the-source/about-this-program/
• https://newsroom.loc.gov/news/library-to-host-26th-national-book-festival-in-august-2026/s/81b2c74b-c263-46cc-b3ed-f91974bf4c8e
• Blogs
• https://blogs.loc.gov/picturethis/2026/04/the-classic-american-diner/
• https://lcm.loc.gov/issue/march-april-2026/
• Media
• https://blogs.loc.gov/folklife/2026/04/arirang-album-by-k-pop-band-bts-draws-on-afcs-collections/
• https://www.facebook.com/libraryofcongress/
• https://x.com/librarycongress
• https://www.youtube.com/libraryofcongress/
• https://www.pinterest.com/LibraryCongress/
• https://www.flickr.com/photos/library_of_congress/
• https://instagram.com/librarycongress/
• https://itunes.apple.com/us/artist/library-of-congress/id1280713133?mt=2
• https://www.linkedin.com/company/library-of-congress
• https://loc.gov/subscribe/
• Take our survey
• USA.gov
• https://copyright.gov

            Domain Name: LOC.GOV
Registrar: get.gov
Domain Status: server transfer prohibited
Creation Date: 1997-10-02T01:29:25.000Z
Registry Expiry Date: 2027-07-07T17:49:37.661Z
Updated Date: 2026-05-24T12:04:58.051Z
Name Server: ALICE.NS.CLOUDFLARE.COM
Name Server: KEVIN.NS.CLOUDFLARE.COM
REGISTRAR Contact: get.gov
ADMINISTRATIVE Contact: REDACTED FOR PRIVACY
SECURITY Contact: REDACTED FOR PRIVACY
TECHNICAL Contact: REDACTED FOR PRIVACY
>>> Last update of RDAP database: 2026-07-05T17:50:13Z         

			
User-agent: 008
Disallow: /

#Baiduspider
User-agent: Baiduspider
Disallow: /

User-agent: Baiduspider-image
Disallow: /

User-agent: *
Disallow: /cgi-bin/
Disallow: /web_arch/
Disallow: /rr/mopic/staff
Disallow: /loc/volunteers
Disallow: /ficmanagers
Disallow: /preserv/extranet/
Disallow: /myloc
Disallow: /nationalfilmregistry
Disallow: /fedsearch
Disallow: /search
Disallow: /pictures/search
Disallow: /pictures/related
Crawl-Delay: 5

Sitemap: https://www.loc.gov/sitemap.xml
        

技术搜索引擎优化

页面搜索引擎优化

内容和用户体验