Book 10,816 Unknown 1,166 Government Document 891 Electronic 850 Journal 615 Conference Proceeding 507 Thesis 379 Serial 269 Book Chapter 62 Reference Material 45 Map 14 Kit 13 Manuscript 13 Audio 9 Photo 2 see all ...

De Gruyter 1,377 SpringerLink (Online service) 485 McGraw-Hill Companies 416 St. Martin's Press/Tor Archive (Brown University) 408 United States National Bureau of Standards 243 Rader, David 174 Culinary Collection (University of Pennsylvania) 164 Kibble, Jonathan D. 147 Chef Fritz Blank Culinary Archive and Library (University of Pennsylvania) 134 Geological Survey (U.S.) 132 United States Department of Commerce 69 Edward Potts Cheyney Memorial Fund 68 Coblentz, William W (William Weber), 1873-1962 53 Hanson, Jeff 45 History of Science Collection (Brown University) 45 Mathew, Joseph P 45 Taylor, Mark A. 44 Troianos, Christopher A. 44 DeVasher, Rebecca B 42 Royal College of Physicians of London 40 History of Medicine Collection (David M. Rubenstein Rare Book & Manuscript Library) 39 Walter de Gruyter & Co 37 Edgar Fahs Smith Memorial Collection (University of Pennsylvania) 36 United States National Aeronautics and Space Administration 35 Mitra-Kirtley, Sudipa 33 Nick Malgieri Culinary Archive and Library (University of Pennsylvania) 32 Rosa, Edward B (Edward Bennett), 1861-1921 31 Hollandsche Maatschappij der Wetenschappen 30 Giulianotti, Pier Cristoforo 29 Mathew, Joseph P. 28 see all ...

English 9,775 German 2,079 French 1,099 Latin 284 Italian 128 Spanish 76 Russian 64 Czech 49 Dutch 33 Hebrew 33 Undetermined 26 Ancient Greek 25 Multiple 24 Japanese 21 Portuguese 21 Chinese 20 Arabic 16 Polish 16 Swedish 10 Ukrainian 10 Danish 9 Tibetan 8 Croatian 7 Greek 6 Norwegian 6 Lithuanian 4 Slovak 3 Ancient Egyptian 2 Manchu 2 Old French 2 see all ...

Electronic books 1,235 Internet videos 1,064 Congresses 829 Periodicals 798 History 768 Conference papers and proceedings 604 Dictionaries 551 Biography 469 Early works to 1800 447 Short films 381 Biographies 340 Early works 270 Periodical 267 Video recordings 258 Pictorial works 172 Electronic journals 160 Catalogs 147 Archives 140 Sources 108 Academic theses 106 Bibliography 99 Juvenile literature 92 Périodiques 92 Databases 89 Correspondence 86 Textbooks 85 Périodiques 79 Tables 79 Congrès 72 Identification 72 see all ...

20th century 191 19th century 122 1900-1999 114 Early works to 1800 84 18th century 81 1879-1955 61 17th century 59 1800-1899 48 1900 - 1999 37 1785-1851 36 1700-1799 28 20e siècle 24 1600-1699 21 1642-1727 21 Quaternary 20 1564-1642 19 1854-1912 18 16th century 17 1473-1543 16 21st century 16 1787-1874 14 Cretaceous 14 Early works to 1850 14 1800-1999 13 1809-1882 13 From 2 million years ago 13 To 1500 13 18e siècle 12 1904-1967 12 19e siècle 12 see all ...

United States 471 Germany 200 Great Britain 165 France 128 Europe 102 North America 82 England 70 Italy 67 China 52 Canada 51 New York (State) 47 Austria 38 California 37 Africa 36 Soviet Union 36 États-Unis 35 India 31 Solar system 30 Switzerland 29 Australia 28 Israel 28 New York 28 États-Unis 28 Russia (Federation) 24 Colorado 21 Netherlands 21 Alaska 20 Brazil 20 Mexico 20 Earth (Planet) 19 see all ...