Book 180,551 Conference Proceeding 22,124 Government Document 19,576 Electronic 8,946 Thesis 4,759 Journal 4,145 Serial 3,991 Unknown 1,012 Kit 160 Book Chapter 97 Manuscript 74 Audio 64 Reference Material 62 Map 53 Photo 37 Article 5 Physical Object 4 Musical Score 1 Newspaper 1 see all ...

Q - Science 190,764

United States National Bureau of Standards 7,803 SpringerLink (Online service) 3,775 National Institute of Standards and Technology (U.S.) 2,852 ebrary, Inc 2,162 Society of Photo-optical Instrumentation Engineers 2,132 ProQuest (Firm) 1,534 Massachusetts Institute of Technology Center for Theoretical Physics 1,330 United States Weather Bureau 1,011 World Scientific (Firm) 890 American Institute of Physics 888 World Meteorological Organization 768 Society of Photo-Optical Instrumentation Engineers 737 SPIE (Society) 726 United States Bureau of Standards 676 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) 518 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 439 Massachusetts Institute of Technology Plasma Science and Fusion Center 413 International Atomic Energy Agency 400 United States Environmental Data Service 400 see all ...

English 160,367 German 12,362 French 9,365 Russian 7,111 Italian 2,132 Spanish 1,796 Chinese 1,786 Latin 1,221 Japanese 1,060 Dutch 648 Polish 324 Portuguese 318 Arabic 309 Undetermined 309 Indonesian 260 Danish 207 Swedish 206 Multiple 190 Hebrew 170 Czech 164 Korean 156 Romanian 143 Ukrainian 107 Hungarian 104 Norwegian 99 Ancient Greek 96 Vietnamese 91 Greek 66 Thai 66 Turkish 61 see all ...

Congresses 26,638 Conference papers and proceedings 18,944 Electronic books 16,719 Technical reports 12,393 Periodicals 5,988 History 4,231 Biography 3,748 Early works to 1800 2,498 Biographies 2,475 Observations 2,071 Tables 1,858 Early works 1,749 Dictionaries 1,398 Textbooks 1,249 Handbooks, manuals, etc 1,147 Academic theses 1,067 Bibliography 1,002 Handbooks and manuals 955 Early works to 1850 948 Popular works 945 Problems, exercises, etc 907 Statistics 884 Electronic journals 844 Thèses et écrits académiques 720 Juvenile literature 702 Tables (Data) 673 Problems and exercises 648 Festschriften 641 Charts, diagrams, etc 621 Congrès 583 see all ...

1879-1955 1,336 20th century 831 Early works to 1800 808 1642-1727 509 Early works to 1850 492 1900-1999 421 19th century 307 1791-1867 180 18th century 175 1885-1962 174 17th century 164 1904-1967 144 1901-1976 106 1831-1879 104 21st century 99 1900 - 1999 96 1800-1899 92 1745-1827 87 1858-1947 82 1922- 82 1901-1954 76 Holocene 74 Quaternary 71 1564-1642 68 1871-1937 68 1887-1961 67 1942-2018 67 1957-1958 66 1918-1988 65 1600-1699 63 see all ...

United States 5,729 Germany 989 China 974 Great Britain 831 Soviet Union 669 India 592 Japan 531 Europe 471 France 459 Italy 457 Canada 370 England 334 Australia 298 Russia (Federation) 289 Arctic regions 281 Tropics 281 Antarctica 268 California 263 Indonesia 249 Africa 229 Austria 215 Mexico 194 Asia 189 Alaska 187 Norway 187 Pacific Ocean 182 Arctic Regions 166 Earth (Planet) 165 Developing countries 160 New York (State) 156 see all ...