Book 2,841,447 Government Document 805,656 Electronic 201,335 Serial 111,187 Unknown 82,583 Journal 59,071 Audio 45,685 Thesis 40,556 Conference Proceeding 34,920 Kit 30,360 Photo 23,074 Reference Material 19,739 Map 15,533 Musical Score 14,642 Manuscript 9,266 Book Chapter 3,786 Newspaper 2,330 Physical Object 1,008 Article 262 see all ...

H - Social Science 495,439 K - Law 347,587 L - Education 343,225 E - United States History 206,759 P - Language and Literature 135,775 C - Historical Sciences 93,926 J - Political Science 84,694 T - Technology 62,128 M - Music 55,338 D - World History 54,579 R - Medicine 51,153 G - Geography, Anthropology, Recreation 50,844 N - Fine Arts 48,998 F - General American History 45,160 Z - Library Science 41,067 B - Philosophy, Psychology, Religion 39,079 U - Military Science 36,632 Q - Science 31,037 S - Agriculture 26,338 A - General Works 20,269 V - Naval Science 5,650 see all ...

United States Congress 274,373 United States Congress. House 97,425 United States Congress. House. Committee on Invalid Pensions 50,270 United States Congress. Senate. Committee on Pensions 48,789 United States General Accounting Office 40,262 United States 37,059 United States Congress. House. Committee on Claims 35,416 United States Congress. House. Committee on the Judiciary 33,057 United States Congress. Senate. Committee on the Judiciary 30,972 United States Congress. Senate. Committee on Claims 29,281 United States Bureau of the Census 26,211 United States Congress. House. Committee on Appropriations 22,458 United States Government Accountability Office 17,607 United States Congress. House. Committee on Military Affairs 17,150 ebrary, Inc 16,936 United States Congress. House. Committee on Ways and Means 16,238 United States Congress. House. Committee on War Claims 16,174 United States Department of State 14,790 United States Congress. Senate. Committee on Military Affairs 13,541 United States Department of the Treasury 13,243 United States Congress. Senate. Committee on Finance 13,100 Library of Congress Congressional Research Service 12,327 United States Congress. House. Committee on Naval Affairs 11,591 United States Congress. Senate. Committee on Appropriations 10,896 United States Congress. House. Committee on Rules 10,457 Adam Matthew Digital (Firm) 10,193 United States Congress. House. Committee on Interstate and Foreign Commerce 10,053 United States Congress. Senate. Committee on Foreign Relations 9,924 De Gruyter 9,405 United States Congress. House. Committee on Foreign Affairs 9,143 see all ...

English 3,080,250 Spanish 32,484 French 29,567 German 24,354 No linguistic content 18,627 Hebrew 12,684 Japanese 10,967 Chinese 10,890 Russian 10,300 Yiddish 7,904 Italian 7,199 Arabic 5,066 Korean 3,968 Portuguese 3,080 Undetermined 2,633 Polish 2,423 Dutch 1,790 Swedish 1,397 Multiple 1,228 Vietnamese 1,130 Czech 1,124 Turkish 1,089 Persian 1,042 Ukrainian 920 Greek 914 Norwegian 744 Hungarian 740 Thai 702 Danish 650 Latin 588 see all ...

Private bills 223,836 History 171,175 Electronic books 155,795 Biography 138,652 Periodicals 117,876 Legislative bills 111,979 Biographies 82,672 Statistics 82,276 Congresses 38,916 Fiction 34,999 Legislative hearings 34,661 Bibliography 32,955 Handbooks, manuals, etc 30,000 Conference papers and proceedings 29,298 Directories 24,502 Criticism, interpretation, etc 22,264 Legislative materials 21,496 Autobiographies 19,376 Sources 19,219 Case studies 18,862 Trials, litigation, etc 18,783 Maps 18,655 Catalogs 18,380 Drama 17,116 Exhibitions 16,869 Cases 16,651 Interviews 16,414 Government publications 16,336 Internet videos 16,197 Video recordings 14,684 see all ...

20th century 113,343 Civil War, 1861-1865 65,726 19th century 52,705 1900-1999 41,686 Revolution, 1775-1783 36,005 21st century 22,650 1861-1865 19,872 1900 - 1999 18,531 1945- 15,515 1775-1783 13,681 1800-1899 13,358 1945-1989 11,308 18th century 10,834 War of 1812 10,304 1933-1945 8,754 1861 - 1865 8,724 2000-2099 8,696 Since 1945 7,660 Colonial period, ca. 1600-1775 7,520 2001-2009 7,187 1939-1945 6,895 1989- 6,831 1946- 6,320 20e siècle 6,167 1809-1865 6,049 1800 - 1899 5,734 1918-1945 5,605 1775 - 1783 4,889 1783-1865 4,053 1775-1865 3,880 see all ...