Institute of Electrical and Electronics Engineers 416 Institution of Electrical Engineers 168 American Society of Mechanical Engineers 109 American Society of Civil Engineers 94 Institution of Engineering and Technology 88 Epstean Collection of Books on Photography and Its Applications in the Graphic Arts (Columbia University. Rare Book and Manuscript Library) 82 Institution of Civil Engineers (Great Britain) 79 American Chemical Society 75 Consultants Bureau 72 Massachusetts Institute of Technology 72 Institution of Mechanical Engineers (Great Britain) 66 IEEE Communications Society 61 IEEE Computer Society 52 Nihon Kikai Gakkai 50 United States National Aeronautics and Space Administration 50 Gotham Book Mart Collection (University of Pennsylvania) 49 American Institute of Physics 47 Association for Computing Machinery 47 IEEE Circuits and Systems Society 44 Hindawi Publishing Corporation 43 American Society for Metals 42 Verein Deutscher Ingenieure 41 ASM International 40 Society of Automotive Engineers 39 Society of Chemical Industry (Great Britain) 39 Doboku Gakkai 34 Adam Matthew Digital (Firm) 33 American Institute of Aeronautics and Astronautics 33 American Institute of Electrical Engineers 33 Akademii︠a︡ nauk SSSR 32 see all ...

English 20,969 Chinese 1,452 German 1,208 French 1,142 Russian 786 Japanese 528 Spanish 445 Indonesian 165 Italian 146 Portuguese 130 Korean 128 Polish 89 Multiple 73 Ukrainian 63 Arabic 58 Turkish 52 Romanian 50 Czech 49 Dutch 42 Croatian 40 Persian 29 Swedish 26 Hebrew 25 Vietnamese 24 Afrikaans 18 Greek 16 Lithuanian 15 Slovak 15 Thai 15 Hungarian 14 see all ...

Periodicals 23,874 Electronic journals 3,261 Périodiques 1,211 Périodiques 1,167 Periodical 971 periodicals 357 Statistics 306 Congresses 299 Abstracts 255 Conference papers and proceedings 252 Directories 224 Computer network resources 197 Pictorial works 167 Zeitschrift 155 History 142 Bibliography 127 Ressource Internet (Descripteur de forme) 111 Serial publications 93 Catalogs 85 Périodique électronique (Descripteur de forme) 62 Périodique électronique (Descripteur de forme) 61 Fulltext 49 Internet Resources 47 Bibliographies 45 Indexes 44 Sources 34 Erotica 31 Handbooks, manuals, etc 25 Guidebooks 24 Revistas 23 see all ...

20th century 60 19th century 30 21st century 21 1900-1999 14 2000-2099 12 1800-1899 7 1930-1949 6 1945- 6 1950- 5 2000 - 2099 5 1910-1930 4 1965-1975 4 1900 - 1999 3 1939-1945 3 1950-1959 3 1868-1912 2 1868-1999 2 1883-1966 2 1892-9999 2 1895-1983 2 18th century 2 1906-1978 2 1914-1918 2 1960- 2 1972-9999 2 Since 1945 2 To 1930 2 -1930 1 1700-1799 1 1700-1899 1 see all ...

United States 1,449 China 419 Great Britain 258 Japan 254 Canada 191 Nigeria 158 Indonesia 141 India 135 France 134 California 121 Soviet Union 108 Massachusetts 100 Australia 98 Germany 97 Europe 88 New York (State) 78 Cambridge 75 Russia (Federation) 63 South Africa 62 Korea (South) 56 Brazil 50 Mexico 50 Italy 45 Africa 43 Philippines 38 Taiwan 35 Illinois 34 New York 34 Asia 32 Developing countries 32 see all ...