Book 41,011 Conference Proceeding 23,939 Government Document 1,114 Serial 385 Journal 170 Electronic 8 Unknown 7 Book Chapter 4 Thesis 2 Manuscript 1 see all ...

R - Medicine 17,298 Q - Science 12,175 H - Social Science 2,860 B - Philosophy, Psychology, Religion 1,710 T - Technology 1,362 K - Law 836 P - Language and Literature 748 D - World History 573 G - Geography, Anthropology, Recreation 561 S - Agriculture 435 L - Education 319 Z - Library Science 260 J - Political Science 253 N - Fine Arts 174 M - Music 149 E - United States History 105 C - Historical Sciences 99 U - Military Science 97 A - General Works 77 F - General American History 72 V - Naval Science 26 see all ...

New York Academy of Sciences 638 World Health Organization 539 North Atlantic Treaty Organization Scientific Affairs Division 406 Cold Spring Harbor Laboratory 342 Ciba Foundation 335 National Institutes of Health (U.S.) 186 International Agency for Research on Cancer 176 National Cancer Institute (U.S.) 175 University of California, Los Angeles 154 International Atomic Energy Agency 151 Wolstenholme, G. E. W (Gordon Ethelbert Ward) 149 Josiah Macy, Jr. Foundation 147 National Institute on Drug Abuse 144 World Health Organization Regional Office for Europe 139 National Institute of Child Health and Human Development (U.S.) 132 Goode, Jamie 113 Julio Mario Santo Domingo Collection 111 Institut national de la santé et de la recherche médicale (France) 109 American Chemical Society Meeting 105 Food and Agriculture Organization of the United Nations 103 Bock, Gregory 102 National Foundation 100 National Institute of Mental Health (U.S.) 98 O'Connor, Maeve 98 International Association of Biological Standardization 97 Ross Laboratories 89 Society for General Microbiology Symposium 88 American Association for the Advancement of Science 84 Bergsma, Daniel 84 Chadwick, Derek 84 see all ...

English 38,564 French 2,147 German 2,083 Italian 628 Spanish 608 Russian 423 Multiple 132 Portuguese 99 Arabic 57 Chinese 50 Japanese 49 Polish 46 Latin 41 Turkish 38 Czech 31 Greek 27 Ancient Greek 25 Dutch 20 Croatian 19 Hungarian 17 Undetermined 15 Swedish 13 Catalan 12 Hebrew 10 Indonesian 10 Ukrainian 10 Armenian 9 Sanskrit 9 Korean 7 Hindi 6 see all ...

20th century 382 1900-1999 255 19th century 186 20e siècle 106 18th century 100 21st century 96 To 1500 96 1800-1899 85 16th century 79 17th century 67 1900 - 1999 64 2000-2099 58 1800-1999 49 19e siècle 49 1700-1799 48 1856-1939 46 1945- 46 21e siècle 46 1939-1945 37 1500-1599 36 18e siècle 36 Geschichte 36 Since 1945 34 16e siècle 31 17e siècle 29 20e siècle 27 1896-1980 26 1700-1899 25 1997 23 1989- 22 see all ...

United States 3,161 Europe 638 Germany 379 Developing countries 237 Great Britain 228 Italy 226 France 212 India 207 États-Unis 194 États-Unis 189 Latin America 166 Asia 164 Africa 152 China 147 Russia (Federation) 142 Canada 141 United Kingdom 116 Soviet Union 109 Japan 101 America 81 Russia 81 Greece 77 Australia 75 European Union countries 74 USA 70 Mexico 69 Middle East 67 Spain 67 Allemagne 64 Austria 63 see all ...