Book 792,893 Serial 48,998 Electronic 45,958 Unknown 32,297 Thesis 25,969 Government Document 21,154 Musical Score 17,895 Audio 13,469 Conference Proceeding 8,778 Journal 7,446 Photo 7,318 Manuscript 7,218 Kit 6,934 Map 3,809 Book Chapter 2,383 Reference Material 754 Newspaper 338 Physical Object 319 Article 44 see all ...

P - Language and Literature 125,502 H - Social Science 77,673 D - World History 59,831 B - Philosophy, Psychology, Religion 55,691 Q - Science 38,191 M - Music 31,425 T - Technology 28,957 R - Medicine 22,990 N - Fine Arts 21,958 K - Law 18,998 Z - Library Science 18,614 G - Geography, Anthropology, Recreation 17,875 L - Education 16,697 E - United States History 16,527 F - General American History 16,439 J - Political Science 15,801 S - Agriculture 7,533 C - Historical Sciences 6,986 A - General Works 5,997 U - Military Science 4,985 V - Naval Science 1,253 see all ...

Great Britain Parliament. House of Commons 10,795 De Gruyter 9,859 Culture Class Collection (University of Pennsylvania) 8,690 Harris Collection of American Poetry and Plays (Brown University) Broadsides 7,384 SpringerLink (Online service) 5,756 Adam Matthew Digital (Firm) 4,144 Gotham Book Mart Collection (University of Pennsylvania) 4,109 United States Congress 3,672 Inter-university Consortium for Political and Social Research 3,496 ebrary, Inc 3,128 Anon 2,758 United States Congress. House. Committee on Appropriations 2,703 German Culture Class Collection (University of Pennsylvania) 2,550 Granger, James, 1723-1776 2,436 Films for the Humanities & Sciences (Firm) 2,369 Films Media Group 2,267 ANON 2,261 Berenson Library Fototeca 2,135 Sallie Bingham Center for Women's History and Culture 2,097 Geological Survey (U.S.) 2,078 Horace Howard Furness Memorial Library (University of Pennsylvania) 1,995 American Culture Class Collection (University of Pennsylvania) 1,919 Shakespeare, William, 1564-1616 1,905 English Culture Class Collection (University of Pennsylvania) 1,786 John Milton and Ruth Neils Ward Collection (Harvard Theatre Collection) 1,661 ProQuest (Firm) 1,629 Alexander Street Press 1,577 United States Department of the Treasury 1,573 Henry Charles Lea Library (University of Pennsylvania) 1,558 Lisa Unger Baskin Collection (David M. Rubenstein Rare Book & Manuscript Library) 1,548 see all ...

English 706,938 German 70,507 French 43,518 Latin 24,762 Spanish 23,178 Dutch 13,961 Italian 13,944 No linguistic content 12,545 Hebrew 6,573 Russian 5,976 Arabic 5,966 Japanese 5,050 Chinese 4,034 Ancient Greek 3,476 Portuguese 3,460 Undetermined 2,860 Danish 1,681 Korean 1,503 Multiple 1,495 Swedish 1,445 Greek 1,367 Polish 1,293 Indonesian 1,208 Persian 1,114 Czech 1,028 Sanskrit 749 Hungarian 601 Hindi 578 Yiddish 577 Afrikaans 559 see all ...

History 75,353 Early works to 1800 71,644 Electronic books 69,586 Fiction 36,818 Periodicals 33,344 Biography 28,702 Early works 26,832 Biographies 23,199 Sources 21,691 Criticism, interpretation, etc 19,096 Poetry 16,815 Drama 15,178 Publishers' advertisements 13,360 Congresses 12,628 Broadsides 12,481 Academic theses 11,099 Scores 9,731 Conference papers and proceedings 9,314 Dictionaries 8,915 Internet videos 8,391 Feature films 8,279 Statistics 7,618 Novels 6,723 Video recordings 6,198 Advertisements 5,982 Sermons 5,510 Corporation reports 5,280 Pictorial works 5,193 Controversial literature 5,142 Autobiographies 5,114 see all ...

20th century 43,756 19th century 30,800 Early works to 1800 26,744 1900-1999 18,317 17th century 16,299 18th century 15,089 21st century 10,197 1900 - 1999 6,851 1800-1899 6,646 16th century 5,595 2000-2099 4,926 Civil War, 1861-1865 3,845 1939-1945 3,598 20e siècle 3,433 1600-1699 3,218 1700-1799 2,904 1945- 2,756 Civil War, 1642-1649 2,744 1564-1616 2,235 To 1500 1,926 1800 - 1899 1,921 1989- 1,912 15th century 1,860 Revolution, 1775-1783 1,804 1800-1999 1,717 1861-1865 1,669 20e siècle 1,530 Since 1945 1,493 Revolution, 1789-1799 1,488 21e siècle 1,462 see all ...

United States 83,374 Great Britain 55,586 England 33,717 Germany 20,235 France 17,337 Europe 12,045 Italy 10,601 London 10,408 New York (State) 10,008 Massachusetts 7,915 Mexico 6,611 China 6,552 California 6,325 India 6,245 Netherlands 6,026 New York 5,966 Ireland 5,578 Canada 5,196 Japan 5,102 Spain 5,017 Scotland 4,994 Pennsylvania 4,756 États-Unis 4,699 Soviet Union 4,206 London (England) 4,129 Rome 3,717 Australia 3,387 Austria 3,133 Russia 3,020 Middle East 3,018 see all ...