Book 36,588,555 Government Document 1,739,275 Electronic 1,607,306 Thesis 1,328,759 Serial 1,185,179 Audio 1,043,592 Unknown 820,887 Journal 717,496 Musical Score 712,977 Conference Proceeding 701,022 Map 558,346 Manuscript 225,772 Kit 215,475 Book Chapter 192,969 Photo 156,200 Newspaper 60,127 Reference Material 46,608 Physical Object 7,173 Article 2,710 see all ...

P - Language and Literature 5,663,536 H - Social Science 3,217,150 D - World History 2,616,874 B - Philosophy, Psychology, Religion 2,152,382 Q - Science 1,349,070 M - Music 1,266,005 N - Fine Arts 1,252,673 K - Law 1,137,520 T - Technology 1,096,276 L - Education 799,472 G - Geography, Anthropology, Recreation 796,982 R - Medicine 691,567 F - General American History 664,361 J - Political Science 642,108 Z - Library Science 540,733 C - Historical Sciences 540,166 E - United States History 380,596 A - General Works 373,794 S - Agriculture 340,072 U - Military Science 177,931 V - Naval Science 49,961 see all ...

United States Congress 288,488 Great Britain Parliament. House of Commons 146,766 Alexander Street Press 130,650 ebrary, Inc 127,781 United States Congress. House 124,279 Geological Survey (U.S.) 121,018 World Zionist Organization Central Zionist Archives 110,549 De Gruyter 94,655 Library of Congress Congressional Research Service 91,380 SpringerLink (Online service) 88,456 Gotham Book Mart Collection (University of Pennsylvania) 70,980 Adam Matthew Digital (Firm) 64,930 United States 62,307 ProQuest (Firm) 59,987 United States General Accounting Office 55,057 United States Congress. House. Committee on Invalid Pensions 50,267 United States Congress. Senate. Committee on Pensions 49,106 Anon 48,970 Mozart, Wolfgang Amadeus, 1756-1791 47,900 Bach, Johann Sebastian, 1685-1750 47,043 United States Congress. House. Committee on the Judiciary 45,497 United States National Aeronautics and Space Administration 43,257 United States Congress. Senate. Committee on the Judiciary 41,055 United States Congress. House. Committee on Claims 40,815 Universiṭah ha-ʻIvrit bi-Yerushalayim Merkaz le-omanut Yehudit 39,929 United States Bureau of the Census 39,894 Organisation for Economic Co-operation and Development 38,830 Beethoven, Ludwig van, 1770-1827 38,801 Culture Class Collection (University of Pennsylvania) 37,163 Fiske Icelandic Collection 34,828 see all ...

English 21,456,007 German 3,385,499 French 2,951,278 Spanish 1,970,207 Chinese 1,547,530 Russian 1,328,430 Italian 1,262,050 Hebrew 831,798 Japanese 797,032 Arabic 752,384 Latin 637,727 No linguistic content 626,150 Portuguese 439,349 Korean 335,969 Dutch 312,332 Polish 308,764 Persian 201,642 Turkish 196,802 Indonesian 173,676 Undetermined 173,461 Swedish 156,999 Czech 145,082 Greek 143,144 Ukrainian 134,734 Hindi 121,833 Vietnamese 121,783 Danish 105,564 Hungarian 100,639 Urdu 100,590 Thai 89,566 see all ...

Electronic books 2,736,436 History 1,879,504 Biography 1,167,914 Periodicals 1,008,741 Fiction 917,976 Congresses 868,698 Early works to 1800 733,197 Criticism, interpretation, etc 715,155 Conference papers and proceedings 570,544 Maps 566,474 Sources 436,155 Exhibitions 431,391 Biographies 424,555 Bibliography 365,759 Catalogs 341,437 Dictionaries 317,598 Poetry 308,077 Statistics 291,579 Sound recordings 285,277 Scores 278,548 Early works 275,666 Drama 266,818 Pictorial works 251,998 Academic theses 233,321 Electronic journals 231,280 Exhibition catalogs 227,674 Private bills 223,924 Video recordings 167,456 Streaming audio 159,757 Internet videos 145,825 see all ...

20th century 1,389,867 19th century 581,758 1900-1999 422,468 21st century 334,441 18th century 244,482 Early works to 1800 242,553 1900 - 1999 187,136 17th century 185,256 1945- 119,961 1800-1899 115,230 2000-2099 115,178 16th century 88,143 Civil War, 1861-1865 68,316 1939-1945 63,700 To 1500 52,004 1700-1799 50,204 Revolution, 1789-1799 46,806 1800 - 1899 44,976 1564-1616 43,025 Since 1945 42,035 Revolution, 1775-1783 38,796 1991- 38,100 1800-1999 38,049 1600-1699 36,459 1989- 34,086 1939 - 1945 32,638 1918-1945 30,761 Civil War, 1642-1649 30,496 1900-2099 29,208 1933-1945 28,870 see all ...

United States 3,142,841 Great Britain 914,610 China 801,939 France 701,227 Germany 637,040 Italy 487,955 Japan 458,368 England 439,828 India 368,022 Europe 340,461 Soviet Union 312,913 Israel 287,669 Spain 282,144 Russia (Federation) 247,533 New York (State) 243,851 Mexico 220,321 California 197,373 Brazil 187,278 Poland 184,853 Canada 172,557 Indonesia 167,175 Russia 165,114 Turkey 162,032 Massachusetts 142,152 Pennsylvania 131,910 Greece 120,658 New York 119,915 Egypt 119,301 Argentina 117,631 Korea (South) 116,450 see all ...