Book 4,534,995 Electronic 99,656 Unknown 72,613 Thesis 71,783 Conference Proceeding 50,596 Journal 34,491 Serial 32,148 Kit 28,075 Government Document 26,940 Manuscript 14,306 Photo 10,701 Map 6,946 Audio 6,506 Book Chapter 5,974 Musical Score 3,247 Newspaper 2,697 Reference Material 1,745 Physical Object 439 Article 259 see all ...

D - World History 1,191,403 H - Social Science 365,827 P - Language and Literature 341,317 L - Education 332,347 B - Philosophy, Psychology, Religion 305,134 F - General American History 254,522 N - Fine Arts 169,439 E - United States History 112,753 J - Political Science 99,670 G - Geography, Anthropology, Recreation 87,178 Z - Library Science 82,802 K - Law 66,069 T - Technology 63,553 Q - Science 50,193 M - Music 49,934 C - Historical Sciences 49,586 R - Medicine 43,255 U - Military Science 37,434 A - General Works 35,482 S - Agriculture 21,636 V - Naval Science 12,449 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 18,711 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) 9,184 United States Congress. House. Committee on War Claims 8,468 Films for the Humanities & Sciences (Firm) 8,336 United States Congress. Senate. Committee on Military Affairs 8,063 Films Media Group 7,998 Anne S.K. Brown Military Collection 7,878 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) 5,944 Horace Howard Furness Memorial Library (University of Pennsylvania) 5,693 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 2,213,549 French 432,155 German 417,436 Spanish 305,133 Chinese 289,571 Italian 215,381 Russian 206,883 Japanese 153,067 Arabic 93,293 Portuguese 66,350 Polish 65,628 Korean 56,688 Latin 55,818 Hebrew 43,568 Turkish 43,530 Dutch 39,865 Greek 27,461 Ukrainian 27,166 Persian 26,732 Czech 21,822 Hungarian 17,477 Swedish 17,142 Vietnamese 13,477 Romanian 12,786 Bulgarian 11,981 Danish 11,174 Catalan 10,829 Indonesian 10,659 No linguistic content 9,541 Croatian 9,512 see all ...

History 2,193,059 Sources 395,763 Biography 298,935 Biographies 171,667 Electronic books 137,160 Private bills 111,974 Legislative bills 111,957 Early works to 1800 108,550 Criticism, interpretation, etc 100,664 Congresses 99,190 Fiction 86,498 Pictorial works 75,973 Conference papers and proceedings 68,769 Periodicals 54,373 Bibliography 54,350 Exhibitions 51,651 Early works 47,298 Catalogs 44,438 Personal narratives 39,442 Church history 35,665 Exhibition catalogs 34,259 Dictionaries 26,498 Bibliographies 24,828 Broadsides 21,577 Drama 21,151 Military history 21,137 Anecdotes 20,777 Poetry 19,637 Correspondence 18,827 Interviews 18,019 see all ...

20th century 617,925 19th century 295,838 1900-1999 218,806 18th century 108,407 21st century 90,367 17th century 79,381 1900 - 1999 73,329 Civil War, 1861-1865 71,107 1800-1899 67,434 16th century 47,563 Revolution, 1789-1799 46,953 20e siècle 40,171 Revolution, 1775-1783 39,995 To 1500 39,906 Civil War, 1642-1649 30,680 Early works to 1800 30,576 1700-1799 29,139 1800-1999 26,504 1939-1945 26,442 Revolution, 1917-1921 26,013 2000-2099 25,237 1945- 24,610 1800 - 1899 23,805 Colonial period, ca. 1600-1775 22,774 1600-1699 17,550 1861-1865 17,058 Civil War, 1936-1939 16,818 1933-1945 16,584 1789-1799 15,846 19e siècle 15,335 see all ...

United States 622,122 Great Britain 381,839 China 261,964 France 254,649 Germany 196,693 Italy 157,542 Japan 128,587 Europe 117,018 Spain 116,566 England 103,702 Soviet Union 85,172 Russia 71,230 Russia (Federation) 64,730 Poland 62,468 India 59,344 Turkey 58,811 Mexico 57,346 Greece 44,767 Rome 43,558 Korea 41,006 Brazil 40,251 Ukraine 34,748 Ireland 33,750 New York (State) 32,595 Netherlands 31,827 Egypt 31,558 Austria 29,942 Argentina 28,899 Iran 28,020 Middle East 26,535 see all ...