Book 6,771,593 Government Document 172,022 Conference Proceeding 134,462 Serial 124,607 Thesis 118,961 Journal 105,274 Musical Score 97,920 Audio 92,169 Unknown 43,500 Map 30,162 Electronic 15,593 Book Chapter 13,260 Newspaper 8,936 Kit 6,333 Manuscript 4,556 Photo 1,796 Reference Material 196 Physical Object 192 Article 107 see all ...

P - Language and Literature 1,620,781 D - World History 796,569 H - Social Science 764,687 B - Philosophy, Psychology, Religion 666,771 N - Fine Arts 360,852 Q - Science 285,430 M - Music 270,510 F - General American History 246,695 J - Political Science 186,417 G - Geography, Anthropology, Recreation 159,845 T - Technology 158,540 R - Medicine 153,529 K - Law 136,505 Z - Library Science 129,545 L - Education 115,712 E - United States History 99,542 A - General Works 92,869 C - Historical Sciences 85,818 S - Agriculture 70,727 U - Military Science 49,405 V - Naval Science 11,009 see all ...

Gotham Book Mart Collection (University of Pennsylvania) 28,743 Horace Howard Furness Memorial Library (University of Pennsylvania) 11,031 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1951-1975 10,798 Geological Survey (U.S.) 9,223 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1976-2000 8,730 United States National Aeronautics and Space Administration 7,623 Alumni and Friends Memorial Book Fund 7,559 Culture Class Collection (University of Pennsylvania) 7,311 Rosengarten Family Fund 6,855 St. Martin's Press/Tor Archive (Brown University) 6,338 Bach, Johann Sebastian, 1685-1750 6,096 George Clapp Vaillant Book Fund 6,085 United States Bureau of the Census 5,934 Mozart, Wolfgang Amadeus, 1756-1791 5,749 Harris Collection of American Poetry and Plays (Brown University) Poetry, 2001-2025 5,573 Shakespeare, William, 1564-1616 5,423 Anne S.K. Brown Military Collection 5,291 United States 5,109 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1926-1950 5,105 Riewert Tode Collection of German Student Movements and Counter-Culture 4,650 American Imprints Collection (Athenaeum of Philadelphia) 4,615 Julio Mario Santo Domingo Collection 4,592 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1901-1925 4,480 Anne and Joseph Trachtman Memorial Book Fund 4,353 Beethoven, Ludwig van, 1770-1827 4,351 Walter L. Pforzheimer Intelligence Collection (Beinecke Rare Book and Manuscript Library) 4,307 Datamonitor (Firm) 4,252 American Culture Class Collection (University of Pennsylvania) 4,144 Goethe, Johann Wolfgang von, 1749-1832 3,939 Yarnall Collection (University of Pennsylvania) 3,933 see all ...

English 3,606,147 German 712,237 French 664,583 Spanish 484,649 Italian 373,351 Chinese 310,503 Russian 210,005 Japanese 170,092 Arabic 153,327 Latin 102,212 Portuguese 93,938 Hebrew 89,523 Indonesian 80,605 No linguistic content 72,300 Polish 71,016 Dutch 52,109 Swedish 29,869 Czech 29,819 Vietnamese 27,827 Greek 25,174 Korean 23,373 Ancient Greek 21,787 Hungarian 18,918 Ukrainian 18,869 Croatian 17,788 Undetermined 17,315 Catalan 16,666 Danish 16,491 Persian 16,013 Yiddish 15,911 see all ...

History 807,900 Biography 359,772 Criticism, interpretation, etc 326,937 Fiction 269,192 Biographies 250,227 Congresses 217,020 Periodicals 173,804 Conference papers and proceedings 167,307 Exhibitions 113,686 Bibliography 95,822 Poetry 92,989 Early works to 1800 89,176 Sources 88,435 Catalogs 85,734 Exhibition catalogs 80,059 Electronic books 69,528 Dictionaries 60,417 Drama 57,313 Pictorial works 56,115 Early works 55,552 Scores 54,742 Statistics 54,538 Bibliographies 50,031 Novels 47,606 Streaming audio 44,673 Sound recordings 43,938 Academic theses 40,036 Autobiographies 38,808 Maps 38,266 Personal narratives 33,216 see all ...

20th century 429,553 1900-1999 224,735 19th century 149,252 21st century 98,371 1900 - 1999 92,501 18th century 64,528 1800-1899 58,060 2000-2099 49,487 1939-1945 47,599 17th century 45,094 20e siècle 43,798 1945- 41,187 16th century 28,217 1800 - 1899 24,559 21e siècle 23,688 1700-1799 22,766 1800-1999 21,375 To 1500 20,947 Since 1945 19,520 1914-1918 16,395 1939 - 1945 15,312 Early works to 1800 15,228 19e siècle 14,538 Civil War, 1861-1865 14,450 Revolution, 1789-1799 13,352 1900-2099 13,149 Geschichte 12,025 1600-1699 11,999 1989- 11,845 1564-1616 11,251 see all ...

United States 451,192 China 179,098 France 175,137 Germany 169,074 Italy 163,589 Great Britain 150,673 Japan 114,000 Europe 95,891 England 89,529 Spain 83,860 Indonesia 69,345 Soviet Union 68,244 India 67,103 Mexico 58,788 Russia (Federation) 51,912 Poland 51,002 Canada 44,666 Brazil 41,019 New York (State) 40,555 Russia 37,742 Egypt 34,066 Africa 32,632 États-Unis 32,431 Greece 31,158 Latin America 29,970 Rome 28,047 South Africa 27,649 Israel 27,388 California 27,232 Argentina 26,897 see all ...