Book 1,866 Government Document 189 Journal 137 Conference Proceeding 86 Serial 70 Electronic 67 Kit 39 Unknown 27 Manuscript 18 Thesis 15 Physical Object 12 Book Chapter 9 Photo 8 Reference Material 2 Musical Score 1 see all ...

Q - Science 991 T - Technology 176 H - Social Science 39 L - Education 39 N - Fine Arts 34 C - Historical Sciences 30 M - Music 22 A - General Works 18 R - Medicine 18 Z - Library Science 18 G - Geography, Anthropology, Recreation 15 P - Language and Literature 7 D - World History 5 U - Military Science 4 S - Agriculture 3 B - Philosophy, Psychology, Religion 2 E - United States History 2 V - Naval Science 2 F - General American History 1 see all ...

Bion, N (Nicolas), 1652-1733 31 Edgar Fahs Smith Memorial Collection (University of Pennsylvania) 31 National Science Foundation (U.S.) 31 United States Congress. Senate. Committee on Finance 31 United States Congress. House. Committee on Ways and Means 30 Instrument Society of America 25 United States Congress 24 Turner, Gerard L'Estrange 21 National Institute of Standards and Technology (U.S.) 20 South Kensington Museum 20 United States Congress. House 19 Burgdorf, Kenneth 17 W. and S. Jones (Firm) 17 Istituto e museo di storia della scienza (Italy) 16 Jerome, Brian A. 15 Keck, Nina 15 Wightman, Joseph M (Joseph Milner), 1812-1885 15 Edward Potts Cheyney Memorial Fund 14 Harvard College Observatory 14 Heather, J. F (John Fry), -1886 13 Optical Society of America 13 United States Congress. Senate 13 United States Department of the Treasury 13 Bennett, J. A (James A.) 12 Gunther, R. T (Robert Theodore), 1869-1940 12 Science Museum (Great Britain) 12 University of Oxford Museum of the History of Science 12 American Institute of Physics 11 Institute of Physics (Great Britain) 11 United States International Trade Administration 11 see all ...

English 1,592 French 216 German 211 Italian 124 Latin 38 Chinese 33 Russian 25 Spanish 25 No linguistic content 15 Dutch 13 Japanese 10 Arabic 6 Greek 6 Undetermined 5 Korean 4 Portuguese 4 Swedish 4 Multiple 3 Polish 3 Danish 2 Hebrew 2 Indonesian 2 Ancient Greek 1 Bosnian 1 Czech 1 Kannada 1 Lithuanian 1 Middle French 1 Persian 1 Telugu 1 see all ...

Catalogs 440 History 209 Early works to 1800 160 Periodicals 157 Exhibitions 113 Early works 86 Exhibition catalogs 82 Congresses 78 Conference papers and proceedings 71 Electronic books 45 Biography 42 Bibliography 30 Trade catalogs 30 Handbooks, manuals, etc 26 Legislative materials 26 Catalog 25 Directories 24 Biographies 21 Advertisements 20 Dictionaries 18 Catalogues 17 Correspondence 17 Handbooks and manuals 17 Educational films 15 Periodical 15 Pictorial works 14 Observations 13 Museum Object 12 Auction catalogs 10 Bibliographies 10 see all ...

19th century 70 18th century 53 Early works to 1800 45 17th century 29 1800-1899 22 1700-1799 21 20th century 17 16th century 14 1812-1885 10 1564-1642 9 1600-1699 9 1713-1783 7 1500-1599 6 1753-1814 6 1789-1859 5 1825-1865 5 1900- 5 1733-1804 4 1738-1820 4 1743-1794 4 1750-1837 4 1875-1935 4 1953- 4 1607-1684 3 1629-1695 3 1700 - 1799 3 1706-1790 3 1795-1884 3 1800-1999 3 1846-1919 3 see all ...

United States 218 Italy 72 Germany 52 France 46 Massachusetts 46 England 43 Great Britain 42 Cambridge 35 Europe 28 London 28 Netherlands 24 Florence 18 Spain 16 Paris 14 Boston 10 China 8 India 7 Scotland 7 Arab countries 6 Bologna 6 Dresden 6 Islamic countries 6 Japan 6 New York (State) 6 Soviet Union 6 Australia 5 Greece 5 Ireland 5 Italie 5 Belgium 4 see all ...