Book 140,840 Electronic 5,884 Government Document 3,361 Conference Proceeding 3,183 Thesis 1,599 Unknown 1,247 Serial 1,169 Book Chapter 959 Journal 634 Kit 115 Map 91 Audio 22 Manuscript 22 Musical Score 22 Photo 9 Article 4 Newspaper 4 Physical Object 2 Reference Material 2 see all ...

H - Social Science 58,816 J - Political Science 7,236 D - World History 6,532 B - Philosophy, Psychology, Religion 6,501 K - Law 4,997 P - Language and Literature 4,614 L - Education 4,497 F - General American History 4,032 G - Geography, Anthropology, Recreation 3,518 R - Medicine 3,387 E - United States History 3,229 T - Technology 2,293 Q - Science 2,208 Z - Library Science 1,609 N - Fine Arts 1,027 M - Music 825 S - Agriculture 776 U - Military Science 671 C - Historical Sciences 608 A - General Works 306 V - Naval Science 47 see all ...

Adam Matthew Digital (Firm) 3,288 Duke University Rare Book, Manuscript, and Special Collections Library 1,763 ebrary, Inc 1,168 American Academy of Political and Social Science 1,166 SpringerLink (Online service) 917 De Gruyter 721 ProQuest (Firm) 542 Sklar, Kathryn Kish 540 Historical Society of Pennsylvania 509 Dublin, Thomas, 1946- 506 Wu, Judy Tzu-Chun 503 Plant, Rebecca Jo, 1968- 502 Institute for Social and Economic Change 419 U.S. Army Research Institute for the Behavioral and Social Sciences 416 United States Congress. House 388 SourceOECD (Online service) 372 Bradford H. Gray Collection in the History of Social Thought (Beinecke Rare Book and Manuscript Library) 333 United Nations Research Institute for Social Development 313 American Social Hygiene Association 296 Organisation for Economic Co-operation and Development 279 Inter-university Consortium for Political and Social Research 278 Taylor & Francis eBooks 265 Taylor & Francis 249 University of Essex Institute for Social and Economic Research 246 United States Commission on Civil Rights 231 Nordquist, Joan 200 E.J. Brill (Firm) 199 ProQuest ebook central 197 Cambridge University Press 194 Institute of Social Studies (Netherlands) 193 see all ...

English 101,632 Spanish 19,096 French 16,363 German 3,002 Italian 2,654 Chinese 1,840 Portuguese 1,611 Danish 803 Dutch 760 Russian 453 Arabic 222 Swedish 212 Catalan 201 Undetermined 158 Romanian 154 Japanese 139 Finnish 134 Latin 133 Polish 77 Norwegian 72 Multiple 55 Greek 52 Hebrew 38 Thai 37 Hungarian 30 Turkish 30 Afrikaans 28 Mayan 26 Czech 18 Indonesian 15 see all ...

History 12,066 Electronic books 11,211 Congresses 4,790 Conference papers and proceedings 3,581 Bibliography 2,319 Statistics 2,052 Case studies 1,845 Biography 1,613 Periodicals 1,516 Bibliographies 1,466 Criticism, interpretation, etc 1,184 Biographies 1,151 Academic theses 765 Sources 764 Dictionaries 736 Internet videos 646 Textbooks 627 Speeches in Congress 546 Juvenile literature 516 Cross-cultural studies 487 Handbooks, manuals, etc 378 Fiction 341 Juvenile works 339 bibliography 337 bibliografía 333 bibliographie 333 reference 326 referencia 326 référence bibliographique 326 Aufsatzsammlung 314 see all ...

20th century 4,745 19th century 2,304 1900-1999 1,946 21st century 1,604 1945- 894 1900 - 1999 685 18th century 681 1800-1899 677 2000-2099 656 20e siècle 456 Since 1945 438 1918-1945 401 1800-1999 348 17th century 331 1914-1918 313 1818-1883 252 1918- 244 16th century 239 1800 - 1899 236 Civil War, 1861-1865 231 1989- 228 19e siècle 215 21e siècle 214 1700-1799 210 1960- 198 2000- 198 1861-1865 188 20e siècle 184 1970- 183 1939-1945 180 see all ...

United States 20,589 Great Britain 6,597 France 5,866 Europe 3,195 Mexico 3,025 Spain 2,782 China 2,445 Latin America 2,152 India 1,857 Germany 1,832 Argentina 1,813 Italy 1,655 England 1,418 Brazil 1,128 Chile 1,059 Canada 1,034 Developing countries 1,025 Colombia 992 Africa 969 European Union countries 915 New York (State) 911 Belgium 790 États-Unis 729 Australia 699 Denmark 690 Soviet Union 684 Japan 628 South Africa 613 Ireland 586 Bolivia 571 see all ...