Book 4,531,120 Electronic 99,645 Unknown 72,384 Thesis 71,744 Conference Proceeding 50,527 Journal 34,474 Serial 32,124 Kit 28,055 Government Document 26,895 Manuscript 14,294 Photo 10,564 Map 6,936 Audio 6,469 Book Chapter 5,971 Musical Score 3,245 Newspaper 2,690 Reference Material 1,744 Physical Object 439 Article 259 see all ...

D - World History 1,189,872 H - Social Science 365,413 P - Language and Literature 340,772 L - Education 332,277 B - Philosophy, Psychology, Religion 304,787 F - General American History 254,222 N - Fine Arts 169,160 E - United States History 112,668 J - Political Science 99,581 G - Geography, Anthropology, Recreation 87,051 Z - Library Science 82,752 K - Law 66,005 T - Technology 63,478 Q - Science 50,159 M - Music 49,892 C - Historical Sciences 49,518 R - Medicine 43,215 U - Military Science 37,392 A - General Works 35,453 S - Agriculture 21,603 V - Naval Science 12,436 see all ...

United States Congress 262,184 Great Britain Parliament. House of Commons 141,873 United States Congress. House 53,783 United States Congress. House. Committee on Invalid Pensions 25,682 United States Congress. Senate. Committee on Pensions 24,749 ebrary, Inc 19,780 United States Congress. House. Committee on Claims 19,083 De Gruyter 18,689 United States Congress. Senate. Committee on Claims 15,392 United States Congress. House. Committee on the Judiciary 15,041 United States Congress. Senate. Committee on the Judiciary 13,594 Culture Class Collection (University of Pennsylvania) 11,162 United States Congress. House. Committee on Military Affairs 10,556 United States Congress. House. Committee on Appropriations 9,796 ProQuest (Firm) 9,124 United States Congress. House. Committee on War Claims 8,468 Films for the Humanities & Sciences (Firm) 8,331 United States Congress. Senate. Committee on Military Affairs 8,063 Films Media Group 7,998 Anne S.K. Brown Military Collection 7,880 England and Wales Parliament 7,676 Adam Matthew Digital (Firm) 7,227 United States War Department 6,637 United States Congress. Senate. Committee on Commerce 6,163 United States Department of the Treasury 6,115 Gotham Book Mart Collection (University of Pennsylvania) 5,950 Horace Howard Furness Memorial Library (University of Pennsylvania) 5,697 United States Congress. House. Committee on Public Lands 5,595 United States Congress. House. Committee on Interstate and Foreign Commerce 5,406 England and Wales Sovereign (1625-1649 : Charles I) 5,099 see all ...

English 2,211,772 French 431,855 German 417,255 Spanish 304,714 Chinese 289,213 Italian 215,189 Russian 206,402 Japanese 152,947 Arabic 93,115 Portuguese 66,239 Polish 65,531 Korean 56,583 Latin 55,785 Hebrew 43,504 Turkish 43,432 Dutch 39,821 Greek 27,392 Ukrainian 27,131 Persian 26,706 Czech 21,813 Hungarian 17,467 Swedish 17,122 Vietnamese 13,471 Romanian 12,778 Bulgarian 11,973 Danish 11,166 Catalan 10,817 Indonesian 10,630 No linguistic content 9,539 Croatian 9,509 see all ...

History 2,188,759 Sources 395,554 Biography 298,527 Biographies 171,237 Electronic books 138,390 Private bills 111,974 Legislative bills 111,957 Early works to 1800 108,543 Criticism, interpretation, etc 100,710 Congresses 99,070 Fiction 86,371 Pictorial works 75,762 Conference papers and proceedings 68,682 Bibliography 54,340 Periodicals 54,331 Exhibitions 51,610 Early works 47,276 Catalogs 44,450 Personal narratives 39,401 Church history 35,547 Exhibition catalogs 34,213 Dictionaries 26,479 Bibliographies 24,752 Broadsides 21,572 Military history 21,095 Drama 21,072 Anecdotes 20,755 Poetry 19,633 Correspondence 18,805 Interviews 17,941 see all ...

20th century 617,112 19th century 295,630 1900-1999 218,444 18th century 108,335 21st century 90,182 17th century 79,344 1900 - 1999 73,346 Civil War, 1861-1865 71,069 1800-1899 67,301 16th century 47,536 Revolution, 1789-1799 46,939 Revolution, 1775-1783 39,988 To 1500 39,848 20e siècle 39,043 Civil War, 1642-1649 30,680 Early works to 1800 30,584 1700-1799 29,106 1800-1999 26,471 1939-1945 26,376 Revolution, 1917-1921 25,986 2000-2099 25,193 1945- 24,627 1800 - 1899 23,807 Colonial period, ca. 1600-1775 22,767 1600-1699 17,529 1861-1865 17,003 Civil War, 1936-1939 16,798 1933-1945 16,587 1789-1799 15,814 Middle Ages, 600-1500 14,980 see all ...

United States 621,809 Great Britain 381,858 China 261,617 France 254,442 Germany 196,587 Italy 157,388 Japan 128,568 Europe 116,922 Spain 116,405 England 103,653 Soviet Union 85,053 Russia 71,140 Russia (Federation) 64,479 Poland 62,344 India 59,115 Turkey 58,693 Mexico 57,311 Greece 44,690 Rome 43,548 Korea 40,962 Brazil 40,186 Ukraine 34,666 Ireland 33,691 New York (State) 32,565 Netherlands 31,809 Egypt 31,536 Austria 29,917 Argentina 28,849 Iran 27,974 Middle East 26,523 see all ...