Book 20,020 Conference Proceeding 4,514 Electronic 1,332 Journal 1,221 Serial 104 Thesis 19 Government Document 10 Unknown 10 Map 2 Manuscript 1 see all ...

Q - Science 8,404 T - Technology 3,941 R - Medicine 2,275 H - Social Science 2,206 B - Philosophy, Psychology, Religion 1,256 K - Law 729 S - Agriculture 522 G - Geography, Anthropology, Recreation 413 P - Language and Literature 385 L - Education 313 J - Political Science 208 D - World History 64 C - Historical Sciences 48 Z - Library Science 42 F - General American History 34 N - Fine Arts 34 U - Military Science 34 E - United States History 16 A - General Works 9 V - Naval Science 9 M - Music 7 see all ...

North Atlantic Treaty Organization Scientific Affairs Division 1,135 ProQuest (Firm) 1,079 Alumni and Friends Memorial Book Fund 263 Rosengarten Family Fund 206 ebrary, Inc 202 International Astronomical Union Symposium 123 Anne and Joseph Trachtman Memorial Book Fund 114 Commission of the European Communities 104 Tymieniecka, Anna-Teresa 95 NetLibrary, Inc 87 Class of 1924 Book Fund 67 Husserl, Edmund, 1859-1938 64 World Institute for Advanced Phenomenological Research and Learning 61 International Astronomical Union 57 Knovel (Firm) 52 Class of 1932 Fund 51 Pardalos, P. M (Panos M.), 1954- 51 North Atlantic Treaty Organization 45 Edward Potts Cheyney Memorial Fund 41 International Astronomical Union Colloquium 41 Cohen, R. S (Robert Sonné) 39 Cohen, R. S (Robert Sonné) 38 Hague Academy of International Law 35 Sabin W. Colton, Jr., Memorial Fund 35 Smit Sibinga, C. Th 31 Crew, Michael A 29 International Federation for Information Processing 28 International Union of Theoretical and Applied Mechanics 27 International Union of Crystallography 26 Huijsing, Johan H., 1938- 25 see all ...

English 21,205 Russian 437 French 348 German 257 Dutch 65 Polish 48 Spanish 37 Italian 22 Japanese 19 Latin 18 Czech 17 Hungarian 14 Chinese 13 Multiple 12 Hebrew 10 Romanian 10 Croatian 9 Swedish 7 Bulgarian 6 Slovak 5 Arabic 4 Norwegian 4 Romany 3 Greek 2 Hindi 2 Sanskrit 2 Undetermined 2 Ancient Greek 1 Danish 1 Finnish 1 see all ...

Congresses 5,718 Conference papers and proceedings 4,756 Periodicals 1,266 Congress 822 Electronic journals 490 History 468 Electronic books 456 Périodiques 375 Périodiques 360 Festschriften 228 Handbooks, manuals, etc 173 Periodical 157 Case studies 145 congresses 130 Handbooks and manuals 122 Aufsatzsammlung 114 Computer network resources 93 Congrès 85 Cross-cultural studies 83 periodicals 81 Biography 79 Encyclopedias 68 Congrès 65 Biographies 61 Kongress 50 Actes de congrès 49 Bibliography 40 Atlases 33 Handbook 32 CD-ROMs 27 see all ...

20th century 143 1859-1938 105 1900-1999 85 19th century 70 1900 - 1999 62 18th century 54 17th century 49 1889-1976 36 1989- 35 1724-1804 29 Since 1989 25 1800-1899 24 1600-1699 23 1700-1799 20 1800 - 1899 20 1770-1831 19 1600 - 1699 18 1945- 18 1700 - 1799 17 Early works to 1800 17 1646-1716 16 1889-1951 16 1642-1727 13 16th century 13 1902-1994 12 Since 1945 12 1711-1776 11 1596-1650 10 1700-1899 10 1800-1999 10 see all ...

United States 464 Europe 449 Netherlands 102 European Economic Community countries 87 Developing countries 76 European Union countries 70 Europe, Eastern 69 Soviet Union 63 Asia 62 Great Britain 59 Sun 55 Eastern Europe 51 Germany 43 Japan 43 China 42 France 39 Africa 38 Earth (Planet) 37 Tropics 30 Israel 26 Canada 24 Former Soviet republics 24 India 24 Australia 23 Earth 23 Pacific Area 23 Russia (Federation) 23 États-Unis 22 Middle East 22 North America 22 see all ...