Libro 2,915 Documento de Gobierno 713 Manuscrito 340 Mapa 190 Tesis 110 Seriadas 74 Procedimiento de la Conferencia 64 Revista 51 Audiom 47 Fotografía 47 Electrónico 40 Desconocido 28 Partituras 23 Capítulo de libro 15 Conjunto 9 ver todos ...

Q - Ciencia 1,071 M - Música 376 G - Geografía, antropología, recreación 307 T - Tecnología 232 P - Lenguaje y literatura 116 C - Ciencias históricas 75 R - Medicina 61 A - Trabajos generales 38 S - Agricultura 32 V - Ciencias navales 29 B - Filosofía, psicología, religión 22 Z - Ciencias bibliotecológicas 20 D - Historia mundial 16 N - Finas artes 15 F - Historia general americana 8 H - Ciencias sociales 6 L - Educación 4 E - Historia de los Estados Unidos 3 U - Ciencias militares 3 J - Ciencias políticas 2 K - Leyes 1 ver todos ...

Adam Matthew Digital (Firm) 340 United States National Aeronautics and Space Administration 89 Maury, Matthew Fontaine, 1806-1873 75 United States Hydrographic Office 74 Environmental Research Laboratories (U.S.) 53 United States Weather Bureau 51 United States Naval Observatory 50 Wave Propagation Laboratory 46 Dampier, William, 1651-1715 45 Pacific Marine Environmental Laboratory (U.S.) 44 George C. Marshall Space Flight Center 43 United States Bureau of Ordnance and Hydrography 42 Langley Research Center 40 Holst, Gustav, 1874-1934 39 National Renewable Energy Laboratory (U.S.) 37 Bacon, Francis, 1561-1626 27 Ochs, G. R 22 Environmental Technology Laboratory (Environmental Research Laboratories) 21 Great Britain Meteorological Office 21 Koninklijk Nederlands Meteorologisch Instituut 20 United States National Oceanic and Atmospheric Administration 20 National Science Foundation (U.S.) 19 United States Department of Energy 19 Air Force Cambridge Research Laboratories (U.S.) 18 United States Department of Energy. Office of Energy Efficiency and Renewable Energy 18 Ferrel, William, 1817-1891 17 Jet Propulsion Laboratory (U.S.) 17 Simiu, Emil 17 United States National Weather Service 17 Dampier, William, 1652-1715 16 ver todos ...

English 2,681 German 195 French 161 Latin 86 No linguistic content 66 Spanish 46 Russian 43 Italian 37 Dutch 22 Chinese 20 Japanese 17 Undetermined 17 Hebrew 12 Portuguese 12 Ancient Greek 11 Arabic 10 Sanskrit 8 Czech 7 Danish 7 Norwegian 6 Polish 6 Finnish 5 Greek 5 Marathi 5 Hindi 4 Persian 4 Turkish 4 Catalan 3 Swedish 3 Gujarati 2 ver todos ...

Maps 238 Observations 186 Early works to 1800 120 Periodicals 96 Fiction 71 Congresses 66 Songs and music 66 Juvenile fiction 65 Charts, diagrams, etc 57 Early works 57 Songs 54 Technical reports 51 Music 47 Juvenile works 45 Conference papers and proceedings 42 Sound recordings 41 Nautical charts 39 Electronic books 30 Pictorial works 30 Suites 30 Tables 29 Atlases 26 Bibliography 25 Juvenile literature 25 Streaming audio 25 Folklore 24 Handbooks, manuals, etc 22 Print 22 Chants et musique 21 Thematic maps 21 ver todos ...

Early works to 1800 50 19th century 25 20th century 8 18th century 7 21st century 6 17th century 5 15th century 4 1651-1715 4 742-814 4 1450-1800 3 1600-1700 3 1824-1905 3 1850 3 1868 3 1939-1945 3 2000-2099 3 21e siècle 3 To 1700 3 1698 2 1699 2 1729 2 1782 2 1800-1899 2 1809-1894 2 1850-1894 2 1879-1955 2 18th-19th century 2 1957-1958 2 1961- 2 1983- 2 ver todos ...

Media (Ancient kingdom) 332 United States 154 Pacific Ocean 65 Atlantic Ocean 50 Solar system 45 California 43 England 41 North Atlantic Ocean 37 Great Britain 36 Latin America 36 Indian Ocean 34 China 32 London 29 Australia 25 Moon 25 Florida 24 India 24 France 23 Italy 22 North Pacific Ocean 22 Alaska 21 Tropics 21 Earth (Planet) 19 Europe 19 Northern Hemisphere 17 Japan 16 Germany 15 Norway 15 Oregon 15 Pacific Coast 15 ver todos ...