Libro 3,091,256 Unknown 64,013 Electrónico 60,304 Conference Proceeding 46,202 Thesis 36,161 Revista 31,750 Seriadas 23,589 Conxunto 18,522 Government Document 17,329 Fotografía 10,526 Manuscrito 10,131 Mapa 6,767 Audio 5,550 Partituras 2,970 Capítulo de libro 2,910 Xornal 2,636 Reference Material 1,462 Obxecto Físico 294 Artigo 242 ver todos ...

D - World History 856,135 P - Language and Literature 280,521 H - Social Science 260,835 B - Philosophy, Psychology, Religion 211,256 F - General American History 184,224 L - Education 164,806 N - Fine Arts 124,213 E - United States History 83,562 J - Political Science 70,744 Z - Library Science 69,996 G - Geography, Anthropology, Recreation 66,297 K - Law 50,207 T - Technology 46,686 C - Historical Sciences 37,841 Q - Science 37,170 M - Music 34,753 R - Medicine 32,397 A - General Works 26,033 U - Military Science 25,536 S - Agriculture 14,998 V - Naval Science 8,821 ver todos ...

Great Britain Parliament. House of Commons 141,678 United States Congress 116,805 United States Congress. House 35,348 United States Congress. House. Committee on Invalid Pensions 25,186 United States Congress. Senate. Committee on Pensions 24,166 United States Congress. House. Committee on Claims 16,389 De Gruyter 14,432 United States Congress. Senate. Committee on Claims 13,896 United States Congress. House. Committee on the Judiciary 9,768 United States Congress. Senate. Committee on the Judiciary 9,726 Culture Class Collection (University of Pennsylvania) 9,412 Films for the Humanities & Sciences (Firm) 8,244 Films Media Group 7,992 United States Congress. House. Committee on War Claims 7,673 ebrary, Inc 7,074 England and Wales Parliament 6,856 United States Congress. House. Committee on Military Affairs 5,562 Gotham Book Mart Collection (University of Pennsylvania) 5,485 Horace Howard Furness Memorial Library (University of Pennsylvania) 5,233 Anne S.K. Brown Military Collection 5,054 England and Wales Sovereign (1625-1649 : Charles I) 4,441 Rosengarten Family Fund 4,249 Charles I, King of England, 1600-1649 4,205 United States Congress. Senate. Committee on Military Affairs 4,205 Alumni and Friends Memorial Book Fund 3,932 United States Congress. House. Committee on Pensions 3,674 Fiske Icelandic Collection 3,571 George Clapp Vaillant Book Fund 3,172 German Culture Class Collection (University of Pennsylvania) 3,060 Service Center for Chinese Publications 2,947 ver todos ...

English 1,564,365 French 304,101 German 283,380 Spanish 209,296 Chinese 202,381 Italian 144,462 Russian 139,928 Japanese 100,621 Arabic 56,277 Portuguese 45,268 Polish 43,806 Latin 43,132 Korean 42,352 Turkish 30,500 Hebrew 28,371 Dutch 27,082 Ukrainian 17,908 Persian 17,219 Greek 17,066 Czech 15,912 Swedish 11,523 Hungarian 11,047 Vietnamese 10,218 No linguistic content 9,353 Romanian 9,165 Indonesian 8,713 Danish 7,811 Catalan 7,645 Bulgarian 7,344 Ancient Greek 6,870 ver todos ...

20th century 483,211 19th century 240,370 1900-1999 214,874 18th century 85,158 1900 - 1999 70,666 21st century 68,615 1800-1899 66,459 17th century 64,366 Civil War, 1861-1865 50,768 20e siècle 38,155 Revolution, 1789-1799 37,709 16th century 37,425 To 1500 32,323 Early works to 1800 30,203 Revolution, 1775-1783 30,079 1700-1799 28,720 Civil War, 1642-1649 27,354 1800-1999 25,959 1939-1945 24,855 2000-2099 23,872 1800 - 1899 23,160 Revolution, 1917-1921 17,446 1600-1699 17,284 1945- 17,115 1861-1865 15,813 Colonial period, ca. 1600-1775 15,583 19e siècle 14,685 1789-1799 14,555 Civil War, 1936-1939 12,729 1933-1945 12,553 ver todos ...

United States 387,303 Great Britain 326,018 China 191,893 France 188,316 Germany 142,459 Italy 110,586 Europe 89,844 Japan 88,514 England 84,493 Spain 82,211 Soviet Union 59,972 Russia 49,580 Russia (Federation) 49,516 India 45,726 Poland 43,319 Turkey 41,949 Mexico 39,318 Rome 31,503 Korea 31,094 Greece 30,696 Brazil 28,574 Ireland 25,830 Ukraine 24,574 New York (State) 24,553 Netherlands 22,604 Middle East 21,880 Austria 21,746 Egypt 21,396 Argentina 21,263 Iran 19,139 ver todos ...