Book 8,529,146 Electronic 250,646 Audio 236,551 Thesis 186,325 Unknown 155,962 Conference Proceeding 94,080 Kit 93,614 Photo 87,460 Musical Score 87,166 Government Document 77,135 Journal 67,603 Manuscript 53,041 Serial 42,523 Map 28,237 Book Chapter 21,948 Newspaper 6,381 Physical Object 4,687 Reference Material 2,901 Article 446 see all ...

P - Language and Literature 1,825,825 D - World History 1,382,674 B - Philosophy, Psychology, Religion 658,459 N - Fine Arts 656,224 H - Social Science 524,312 M - Music 312,253 F - General American History 260,297 E - United States History 189,398 J - Political Science 183,349 Z - Library Science 155,217 K - Law 98,355 Q - Science 96,187 G - Geography, Anthropology, Recreation 92,034 A - General Works 84,399 C - Historical Sciences 82,374 T - Technology 77,315 L - Education 63,262 R - Medicine 53,706 U - Military Science 37,483 S - Agriculture 29,337 V - Naval Science 9,512 see all ...

Great Britain Parliament. House of Commons 143,179 Gotham Book Mart Collection (University of Pennsylvania) 28,958 ebrary, Inc 26,500 Culture Class Collection (University of Pennsylvania) 22,911 De Gruyter 19,735 Horace Howard Furness Memorial Library (University of Pennsylvania) 18,725 Alexander Street Press 17,684 Harris Collection of American Poetry and Plays (Brown University) Broadsides 13,667 Shakespeare, William, 1564-1616 13,329 John Milton and Ruth Neils Ward Collection (Harvard Theatre Collection) 13,081 Anne S.K. Brown Military Collection 13,029 ProQuest (Firm) 11,839 Adam Matthew Digital (Firm) 11,439 England and Wales Parliament 10,212 McLellan Lincoln Collection (Brown University) 9,867 Ḳol Yiśraʼel 9,843 Films for the Humanities & Sciences (Firm) 9,736 Films Media Group 9,129 Rosengarten Family Fund 8,481 AM (Publisher) 7,495 Alumni and Friends Memorial Book Fund 7,312 Christie, Manson & Woods 6,919 Metcalf Collection (Brown University) 6,145 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1951-1975 6,135 Sallie Bingham Center for Women's History and Culture 6,106 History of Medicine Collection (David M. Rubenstein Rare Book & Manuscript Library) 6,097 Fiske Icelandic Collection 6,002 England and Wales Sovereign (1625-1649 : Charles I) 5,890 ProQuest ebook central 5,885 Henry Charles Lea Library (University of Pennsylvania) 5,844 see all ...

English 4,342,641 German 906,868 French 866,747 Spanish 558,977 Italian 461,488 Chinese 417,591 Russian 358,915 Japanese 261,196 Arabic 220,014 Latin 152,783 Hebrew 145,204 Portuguese 116,791 No linguistic content 115,925 Polish 110,256 Korean 92,325 Dutch 76,484 Turkish 64,616 Persian 57,080 Greek 44,850 Czech 44,538 Ukrainian 39,868 Swedish 34,752 Hungarian 30,727 Urdu 30,679 Hindi 30,563 Vietnamese 24,081 Danish 24,005 Indonesian 22,640 Undetermined 22,003 Romanian 20,672 see all ...

History 1,305,971 Biography 862,239 Biographies 521,116 Criticism, interpretation, etc 502,909 Early works to 1800 436,284 Sources 328,191 Exhibitions 310,558 Fiction 274,174 Electronic books 231,967 Exhibition catalogs 193,027 Early works 168,199 Congresses 148,835 Catalogs 144,943 Poetry 137,766 Conference papers and proceedings 107,438 Drama 103,792 Periodicals 98,024 Pictorial works 95,749 Correspondence 92,985 Bibliography 90,916 Broadsides 84,470 Personal narratives 84,285 Autobiographies 75,248 Interviews 72,798 Sermons 61,909 Musical settings 48,685 Novels 46,325 Bibliographies 46,189 Poems 45,007 Academic theses 44,113 see all ...

United States 669,665 Great Britain 526,776 France 376,459 China 293,495 Germany 285,781 England 253,225 Italy 242,567 Japan 175,925 Europe 142,377 Soviet Union 136,871 Spain 136,595 India 97,298 Poland 89,781 Russia 87,355 Russia (Federation) 83,871 London 77,132 Mexico 74,068 New York (State) 73,747 Turkey 72,806 Israel 63,606 Brazil 57,841 Massachusetts 51,021 Ireland 50,712 Greece 49,935 Austria 48,527 Egypt 47,278 Netherlands 46,223 New York 46,132 Rome 44,906 Argentina 43,591 see all ...