Book 5,205 Government Document 164 Conference Proceeding 117 Serial 112 Book Chapter 91 Electronic 53 Journal 28 Manuscript 23 Thesis 18 Kit 17 Unknown 17 Audio 2 Photo 2 Reference Material 2 Musical Score 1 Physical Object 1 see all ...

Q - Science 2,591 M - Music 756 S - Agriculture 189 N - Fine Arts 125 G - Geography, Anthropology, Recreation 83 A - General Works 67 Z - Library Science 54 R - Medicine 42 D - World History 31 T - Technology 29 F - General American History 22 C - Historical Sciences 20 H - Social Science 18 E - United States History 15 B - Philosophy, Psychology, Religion 9 P - Language and Literature 9 L - Education 5 K - Law 2 U - Military Science 2 V - Naval Science 1 see all ...

British Museum (Natural History) 98 British Museum (Natural History) Department of Zoology 83 Sotheby's (Firm) 65 British Museum (Natural History) Department of Mineralogy 55 American Museum of Natural History 43 Allen, J. A (Joel Asaph), 1838-1921 40 British Museum (Natural History) Department of Geology 40 Gray, John Edward, 1800-1875 37 Geological Survey of Canada 33 American Type Culture Collection 30 Puttick and Simpson 30 Smithsonian Institution 26 Zoological Survey of India 25 Indian Museum 24 Fletcher, L (Lazarus), 1854-1921 23 United States Agricultural Research Service 22 Australian Museum 21 Academy of Natural Sciences of Philadelphia 20 Field Museum of Natural History 20 Paynter, Raymond A 19 Geological Survey (U.S.) 18 Haags Gemeentemuseum 18 Ward, Henry A (Henry Augustus), 1834-1906 18 American Museum Congo Expedition 17 Christie's South Kensington, Ltd 17 Metropolitan Museum of Art (New York, N.Y.) 17 Victoria and Albert Museum 17 Edinburgh University Collection of Historic Musical Instruments 16 Kunsthistorisches Museum Wien Sammlung Alter Musikinstrumente 16 National Museum of Natural History (U.S.) 16 see all ...

English 3,763 German 579 French 403 Latin 261 Spanish 200 Italian 199 Japanese 100 Dutch 66 Portuguese 63 Russian 46 Chinese 25 Czech 20 Polish 14 Hungarian 13 Danish 11 Multiple 11 Swedish 9 Hebrew 8 Indonesian 7 Korean 7 Undetermined 7 Turkish 5 Norwegian 4 Catalan 3 Croatian 3 Georgian 3 Greek 3 Bulgarian 2 Estonian 2 Hindi 2 see all ...

19th century 50 18th century 37 Early works to 1800 30 20th century 21 17th century 18 Paleozoic 18 approximately 1644-1737 18 1700-1799 16 Cretaceous 13 16th century 10 1800-1899 10 From 230 to 570 million years ago 10 Carboniferous 9 From 65 to 140 million years ago 9 1827-1891 8 1700-1899 7 1796-1866 7 1842-1918 7 1900-1999 7 From 280 to 345 million years ago 7 Silurian 7 21st century 6 Ordovician 6 Tertiary 6 1522-1605? 5 1600-1699 5 1805-1866 5 1808-1891 5 1809-1882 5 Cambrian 5 see all ...

England 230 Germany 204 New York (State) 159 Japan 153 Italy 148 United States 147 London 145 New York 133 Great Britain 120 France 108 India 107 North America 92 Australia 76 Europe 71 Netherlands 63 China 62 Washington (D.C.) 61 Pennsylvania 57 Mexico 56 Canada 54 Spain 52 Massachusetts 51 Austria 50 Brazil 49 Switzerland 46 Philadelphia 43 Indonesia 41 Paris 41 Scotland 40 Tokyo 40 see all ...