Book 180,229 Conference Proceeding 22,111 Government Document 19,567 Electronic 8,939 Thesis 4,758 Journal 4,139 Serial 3,990 Unknown 1,010 Kit 160 Book Chapter 97 Manuscript 74 Audio 62 Reference Material 62 Map 53 Photo 37 Article 5 Physical Object 4 Musical Score 1 Newspaper 1 see all ...

Q - Science 190,433

United States National Bureau of Standards 7,802 SpringerLink (Online service) 3,740 National Institute of Standards and Technology (U.S.) 2,852 ebrary, Inc 2,160 Society of Photo-optical Instrumentation Engineers 2,134 ProQuest (Firm) 1,537 Massachusetts Institute of Technology Center for Theoretical Physics 1,330 United States Weather Bureau 1,009 World Scientific (Firm) 891 American Institute of Physics 889 World Meteorological Organization 769 Society of Photo-Optical Instrumentation Engineers 734 SPIE (Society) 726 United States Bureau of Standards 675 Massachusetts Institute of Technology Joint Program on the Science & Policy of Global Change 645 De Gruyter 634 North Atlantic Treaty Organization Scientific Affairs Division 626 Environmental Research Laboratories (U.S.) 618 Massachusetts Institute of Technology Plasma Fusion Center 583 National Climatic Data Center (U.S.) 551 Edgar Fahs Smith Memorial Collection (University of Pennsylvania) 517 United States National Oceanic and Atmospheric Administration 512 Massachusetts Institute of Technology Research Laboratory of Electronics 483 United States National Aeronautics and Space Administration 476 International Union of Pure and Applied Physics 449 National Climatic Center 448 Einstein, Albert, 1879-1955 438 Massachusetts Institute of Technology Plasma Science and Fusion Center 413 International Atomic Energy Agency 400 United States Environmental Data Service 400 see all ...

English 160,111 German 12,351 French 9,349 Russian 7,106 Italian 2,126 Spanish 1,775 Chinese 1,771 Latin 1,220 Japanese 1,055 Dutch 647 Polish 323 Portuguese 315 Arabic 308 Undetermined 307 Indonesian 259 Danish 206 Swedish 205 Multiple 190 Hebrew 170 Czech 164 Korean 152 Romanian 141 Ukrainian 107 Hungarian 104 Norwegian 99 Ancient Greek 96 Vietnamese 91 Thai 66 Greek 65 Turkish 61 see all ...

Congresses 26,624 Conference papers and proceedings 18,948 Electronic books 16,784 Technical reports 12,393 Periodicals 5,982 History 4,228 Biography 3,736 Early works to 1800 2,498 Biographies 2,467 Observations 2,064 Tables 1,856 Early works 1,746 Dictionaries 1,399 Textbooks 1,235 Handbooks, manuals, etc 1,143 Academic theses 1,066 Bibliography 1,000 Handbooks and manuals 954 Early works to 1850 947 Popular works 936 Problems, exercises, etc 905 Statistics 883 Electronic journals 758 Thèses et écrits académiques 721 Juvenile literature 699 Tables (Data) 675 Problems and exercises 647 Festschriften 641 Charts, diagrams, etc 621 Congrès 581 see all ...

1879-1955 1,330 20th century 824 Early works to 1800 808 1642-1727 509 Early works to 1850 492 1900-1999 419 19th century 306 1791-1867 180 18th century 175 1885-1962 174 17th century 164 1904-1967 144 1901-1976 106 1831-1879 104 1900 - 1999 96 21st century 96 1800-1899 92 1745-1827 87 1858-1947 82 1922- 82 1901-1954 75 Holocene 74 Quaternary 71 1564-1642 68 1871-1937 68 1887-1961 67 1942-2018 66 1918-1988 65 1957-1958 65 Geschichte 65 see all ...

United States 5,719 Germany 987 China 962 Great Britain 832 Soviet Union 670 India 590 Japan 529 Europe 471 France 459 Italy 456 Canada 368 England 334 Australia 297 Russia (Federation) 289 Arctic regions 281 Tropics 281 Antarctica 266 California 263 Indonesia 248 Africa 228 Austria 214 Mexico 194 Asia 189 Alaska 187 Norway 186 Pacific Ocean 181 Arctic Regions 166 Earth (Planet) 164 Developing countries 160 New York (State) 156 see all ...