Book 1,631 Serial 841 Journal 828 Conference Proceeding 116 Electronic 33 Reference Material 28 Government Document 27 Thesis 9 Unknown 8 Newspaper 6 Book Chapter 4 Kit 4 Map 1 see all ...

Akademii︠a︡ nauk SSSR 30 Deutsche Akademie der Wissenschaften zu Berlin 21 Carnegie Institution of Washington 17 Nicholson, William, 1753-1815 17 Edgar Fahs Smith Memorial Collection (University of Pennsylvania) 16 Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) 15 Kaiserl. Akademie der Wissenschaften in Wien Mathematisch-Naturwissenschaftliche Klasse 15 Kongelige Norske videnskabers selskab 15 Pan-American Scientific Congress Washington, D.C. 14 Unesco 14 Akademie der Wissenschaften in Göttingen 12 Bayerische Akademie der Wissenschaften Mathematisch-Naturwissenschaftliche Klasse 12 Imperatorskai͡a akademīi͡a nauk (Russia) 12 Royal Irish Academy 12 Académie royale des sciences, des lettres et des beaux-arts de Belgique 11 Accademia nazionale dei Lincei Classe di scienze fisiche, matematiche e naturali 11 American Scientific Congress Washington, D.C. 11 History of Science Collection (Brown University) 11 Österreichische Akademie der Wissenschaften Mathematisch-Naturwissenschaftliche Klasse 11 Royal Society (Great Britain) 11 Akademie der Wissenschaften in Wien Mathematisch-Naturwissenschaftliche Klasse 10 Istituto veneto di scienze, lettere ed arti 10 Kongelige Danske videnskabernes selskab 10 Pan-American Scientific Congress Santiago, Chile 10 Royal Society of Canada 10 William B. Provine Collection on Evolution and Genetics 10 Académie royale des sciences, des lettres et des beaux-arts de Belgique Classe des sciences 9 Accademia nazionale dei Lincei 9 Akademie der Wissenschaften in Göttingen 9 Akademii͡a nauk SSSR 9 see all ...

English 1,360 German 567 French 389 Russian 328 Italian 216 Chinese 166 Spanish 145 Latin 77 Dutch 54 Japanese 53 Polish 52 Arabic 44 Ukrainian 43 Czech 40 Portuguese 38 Korean 34 Norwegian 34 Multiple 20 Swedish 20 Danish 14 Hebrew 14 Hungarian 14 Bulgarian 13 Croatian 13 Georgian 10 Indonesian 10 Latvian 10 Serbian 10 Turkish 10 Greek 9 see all ...

Periodicals 1,310 History 354 Congresses 197 Conference papers and proceedings 142 Early works to 1800 132 Periodical 110 Bibliography 105 Early works 83 Dictionaries 63 Directories 56 Indexes 49 Périodiques 39 Biography 37 Encyclopedias 37 Juvenile literature 36 Miscellanea 36 Bibliographies 33 Electronic journals 33 Criticism, interpretation, etc 29 Electronic books 28 Sources 28 Directory 25 Trivia and miscellanea 25 Biographies 24 Databases 24 periodicals 23 Abstracts 21 Catalogs 18 Juvenile works 18 Congress 16 see all ...

20th century 47 19th century 44 18th century 42 17th century 29 Early works to 1800 26 1800-1899 21 1900-1999 19 1700-1799 15 21st century 13 1600-1699 8 2000-2099 8 1564-1616 7 1613-1662 7 1821-1887 7 1823-1892 7 1823-1893 7 1838-1901 7 1600-1799 6 1602-1680 6 16th century 5 1749-1832 5 1800 - 1899 5 1800-1999 5 1801-1917 5 1853-1932 5 1879-1955 5 20e siècle 5 1031-1095 4 15th century 4 1672-1725 4 see all ...

China 94 Germany 86 Russia (Federation) 65 Poland 57 United States 57 Soviet Union 55 Russia 54 Italy 51 Europe 42 France 39 Japan 32 Ukraine 26 Spain 25 Great Britain 23 Canada 18 Czechoslovakia 18 Netherlands 16 Belarus 14 Ireland 14 Yugoslavia 14 England 13 New York (State) 12 Czech Republic 11 Developing countries 11 Hungary 11 Serbia 11 Arab countries 9 Bulgaria 9 India 9 Indonesia 9 see all ...