T - Technology 139,202 P - Language and Literature 60,034 B - Philosophy, Psychology, Religion 44,182 H - Social Science 40,870 Q - Science 38,187 K - Law 26,527 D - World History 25,748 L - Education 16,726 N - Fine Arts 16,036 F - General American History 15,542 M - Music 13,214 J - Political Science 9,590 R - Medicine 8,891 G - Geography, Anthropology, Recreation 8,704 S - Agriculture 8,463 A - General Works 6,300 E - United States History 4,197 Z - Library Science 3,248 U - Military Science 2,034 C - Historical Sciences 1,651 V - Naval Science 462 see all ...

Yale University 17,555 Massachusetts Institute of Technology Department of Electrical Engineering and Computer Science 11,233 University of Pennsylvania 10,122 Massachusetts Institute of Technology Department of Mechanical Engineering 9,326 Sloan School of Management 6,056 Stanford University School of Education 5,587 Harvard University Graduate School of Education 5,388 Stanford University Department of Electrical Engineering 4,859 Massachusetts Institute of Technology Department of Architecture 3,109 Columbia University Writing Division 2,777 Massachusetts Institute of Technology Department of Aeronautics and Astronautics 2,705 Massachusetts Institute of Technology Department of Urban Studies and Planning 2,594 Princeton University Department of Physics 2,552 Stanford University Department of Chemistry 2,524 Princeton University Department of Mathematics 2,380 Massachusetts Institute of Technology Department of Physics 2,378 Massachusetts Institute of Technology Department of Materials Science and Engineering 2,300 Massachusetts Institute of Technology Department of Civil and Environmental Engineering 2,207 University of Chicago 2,206 Stanford University Department of Mechanical Engineering 2,202 John F. Kennedy School of Government 2,116 Harvard University Department of Anthropology 2,088 Harvard Law School 1,999 De Gruyter 1,931 Harvard University Graduate School of Design 1,928 Princeton University Department of Molecular Biology 1,792 Stanford University Graduate School of Business 1,770 Stanford University Department of Physics 1,720 Massachusetts Institute of Technology Engineering Systems Division 1,588 Stanford University Department of History 1,536 see all ...

English 863,175 German 266,838 French 86,619 Latin 53,255 Spanish 17,138 Dutch 15,515 Swedish 7,701 Hebrew 7,085 Chinese 5,944 Arabic 2,584 Danish 2,550 Italian 2,530 Portuguese 1,938 Ancient Greek 1,886 Korean 1,885 Finnish 1,694 Undetermined 1,469 Greek 1,346 Turkish 1,279 Thai 938 Russian 737 Indonesian 544 Afrikaans 513 Polish 483 Japanese 302 Hindi 301 Sanskrit 281 Hungarian 268 Croatian 267 Norwegian 253 see all ...

Academic theses 237,688 Thèses et écrits académiques 83,438 Academic Dissertation 75,930 History 31,991 Criticism, interpretation, etc 23,285 Hochschulschrift 23,222 Academic dissertations 19,717 Case studies 7,645 Early works to 1800 6,358 dissertations 5,948 Biography 5,558 Early works 4,376 Dissertations 3,367 Electronic books 3,135 Biographies 3,096 Thèses et écrits académiques 2,698 Bibliography 1,947 Sources 1,780 Theses 1,617 Facsimiles 1,609 Church history 1,510 Designs and plans 1,202 Manuscripts, American 1,081 Dissertations (form) 1,079 Technical reports 1,009 Statistics 899 theses 862 Catalogs 855 doctoral dissertations 814 masters theses 790 see all ...

20th century 14,419 19th century 10,308 18th century 5,309 1900-1999 4,316 17th century 3,186 16th century 2,354 1800-1899 2,275 To 1500 1,971 1900 - 1999 1,917 1564-1616 1,823 1724-1804 1,427 1700-1799 1,235 1945- 1,171 Early modern, 1500-1700 1,160 Early works to 1800 1,021 1749-1832 992 1800 - 1899 944 Middle High German, 1050-1500 931 Early church, ca. 30-600 884 active 12th century 877 Middle Ages, 600-1500 856 Middle English, 1100-1500 851 1933-1945 838 Old English, ca. 450-1100 812 21st century 767 1225?-1274 729 To 1300 697 1483-1546 662 Colonial period, ca. 1600-1775 634 1700 - 1799 606 see all ...

Germany 43,855 United States 40,654 France 20,607 China 10,302 Switzerland 9,577 Great Britain 6,431 New York (State) 6,274 Germany (West) 6,205 Mexico 6,167 Sweden 5,127 Italy 4,976 Europe 4,668 Netherlands 4,573 Japan 4,517 Greece 4,126 India 3,982 Rome 3,538 Indonesia 3,517 California 3,324 Israel 3,155 England 3,113 Massachusetts 3,058 Thailand 2,972 Spain 2,896 Illinois 2,730 Turkey 2,619 Egypt 2,605 Soviet Union 2,472 Philippines 2,321 Colombia 2,219 see all ...