Book 6,736,171 Government Document 171,536 Conference Proceeding 134,040 Serial 124,410 Thesis 118,534 Journal 105,354 Musical Score 97,167 Audio 90,616 Unknown 42,148 Map 27,880 Electronic 15,492 Book Chapter 13,232 Newspaper 8,949 Kit 6,302 Manuscript 4,345 Photo 1,737 Reference Material 190 Physical Object 186 Article 106 see all ...

P - Language and Literature 1,612,507 D - World History 790,396 H - Social Science 761,343 B - Philosophy, Psychology, Religion 664,523 N - Fine Arts 358,608 Q - Science 283,658 M - Music 269,467 F - General American History 245,611 J - Political Science 185,795 T - Technology 157,991 G - Geography, Anthropology, Recreation 156,924 R - Medicine 153,110 K - Law 135,637 Z - Library Science 129,344 L - Education 115,450 E - United States History 99,113 A - General Works 93,011 C - Historical Sciences 85,571 S - Agriculture 70,486 U - Military Science 49,264 V - Naval Science 11,007 see all ...

Gotham Book Mart Collection (University of Pennsylvania) 28,766 Horace Howard Furness Memorial Library (University of Pennsylvania) 11,034 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1951-1975 10,805 Geological Survey (U.S.) 9,038 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1976-2000 8,724 United States National Aeronautics and Space Administration 7,610 Alumni and Friends Memorial Book Fund 7,512 Culture Class Collection (University of Pennsylvania) 7,299 Rosengarten Family Fund 6,767 St. Martin's Press/Tor Archive (Brown University) 6,334 George Clapp Vaillant Book Fund 6,048 Bach, Johann Sebastian, 1685-1750 6,034 United States Bureau of the Census 5,850 Mozart, Wolfgang Amadeus, 1756-1791 5,737 Harris Collection of American Poetry and Plays (Brown University) Poetry, 2001-2025 5,565 Shakespeare, William, 1564-1616 5,301 Anne S.K. Brown Military Collection 5,263 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1926-1950 5,103 United States 5,095 Riewert Tode Collection of German Student Movements and Counter-Culture 4,648 Julio Mario Santo Domingo Collection 4,557 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1901-1925 4,489 Anne and Joseph Trachtman Memorial Book Fund 4,337 Beethoven, Ludwig van, 1770-1827 4,312 Walter L. Pforzheimer Intelligence Collection (Beinecke Rare Book and Manuscript Library) 4,308 Datamonitor (Firm) 4,252 American Culture Class Collection (University of Pennsylvania) 4,149 Yarnall Collection (University of Pennsylvania) 3,935 Goethe, Johann Wolfgang von, 1749-1832 3,924 David E. Pingree Collection (Brown University) 3,895 see all ...

English 3,586,135 German 709,094 French 661,303 Spanish 482,067 Italian 371,483 Chinese 310,124 Russian 208,759 Japanese 168,917 Arabic 151,600 Latin 101,486 Portuguese 93,316 Hebrew 88,867 Indonesian 80,366 No linguistic content 71,292 Polish 70,460 Dutch 51,662 Swedish 29,624 Czech 29,582 Vietnamese 27,661 Greek 24,836 Korean 23,106 Ancient Greek 21,615 Hungarian 18,738 Ukrainian 18,706 Croatian 17,667 Undetermined 17,139 Catalan 16,583 Danish 16,299 Yiddish 15,812 Persian 15,631 see all ...

History 798,711 Biography 357,036 Criticism, interpretation, etc 324,943 Fiction 266,714 Biographies 246,435 Congresses 216,319 Periodicals 173,858 Conference papers and proceedings 166,327 Exhibitions 112,666 Bibliography 95,599 Poetry 92,059 Early works to 1800 88,245 Sources 87,831 Catalogs 84,608 Exhibition catalogs 78,959 Electronic books 69,892 Dictionaries 60,263 Drama 56,539 Pictorial works 55,414 Early works 54,685 Statistics 54,207 Scores 53,830 Bibliographies 49,463 Novels 46,514 Streaming audio 44,610 Sound recordings 44,171 Academic theses 39,580 Autobiographies 38,394 Maps 35,913 Personal narratives 32,540 see all ...

20th century 425,949 1900-1999 221,855 19th century 147,910 21st century 96,864 1900 - 1999 92,567 18th century 64,065 1800-1899 57,278 2000-2099 48,625 1939-1945 46,256 17th century 44,809 20e siècle 41,521 1945- 41,075 16th century 28,015 1800 - 1899 24,577 1700-1799 22,407 21e siècle 22,398 1800-1999 21,131 To 1500 20,762 Since 1945 19,384 1914-1918 15,938 1939 - 1945 15,238 Early works to 1800 15,222 Civil War, 1861-1865 14,330 19e siècle 13,781 Revolution, 1789-1799 13,173 1900-2099 12,987 1600-1699 11,810 1989- 11,788 Geschichte 11,631 1564-1616 11,190 see all ...

United States 448,584 China 178,254 France 173,780 Germany 167,849 Italy 162,431 Great Britain 149,896 Japan 113,166 Europe 95,327 England 88,702 Spain 83,293 Indonesia 69,126 Soviet Union 67,883 India 66,303 Mexico 58,373 Russia (Federation) 51,216 Poland 50,483 Canada 44,468 Brazil 40,591 New York (State) 40,066 Russia 37,544 Egypt 33,810 Africa 32,437 États-Unis 31,015 Greece 30,769 Latin America 29,867 Rome 27,836 South Africa 27,552 Israel 26,933 California 26,906 Argentina 26,729 see all ...