Book 37,909 Government Document 6,235 Serial 1,233 Electronic 171 Journal 126 Conference Proceeding 73 Kit 59 Manuscript 36 Thesis 33 Unknown 22 Musical Score 18 Audio 7 Reference Material 7 Book Chapter 5 Map 3 Photo 2 Article 1 Physical Object 1 see all ...

H - Social Science 4,635 T - Technology 3,775 Q - Science 2,024 R - Medicine 1,945 P - Language and Literature 1,726 J - Political Science 1,628 L - Education 1,562 Z - Library Science 1,340 K - Law 1,254 S - Agriculture 1,050 B - Philosophy, Psychology, Religion 957 D - World History 934 C - Historical Sciences 590 U - Military Science 580 N - Fine Arts 563 G - Geography, Anthropology, Recreation 363 M - Music 343 F - General American History 272 A - General Works 239 E - United States History 220 V - Naval Science 158 see all ...

United States Department of the Army 1,439 American Society for Testing and Materials 172 ASTM International 159 Gmelin, Leopold, 1788-1853 146 United States Bureau of the Census 129 U.S. Army Engineer School 95 US Army Signal Center and Fort Gordon 95 World Health Organization 95 Anne S.K. Brown Military Collection 83 United States Marine Corps 75 United States Naval Facilities Engineering Command 75 United States Internal Revenue Service 74 United States Postal Service 74 United States Forest Service 73 Geological Survey (U.S.) 69 St. Martin's Press/Tor Archive (Brown University) 69 United States Employment and Training Administration 65 Hewlett-Packard Company 61 United States National Aeronautics and Space Administration 61 Food and Agriculture Organization of the United Nations 55 United States Department of the Air Force 55 United States War Department 55 US Army Ordnance Center and School 54 US Army Quartermaster School 54 United States Department of Housing and Urban Development 54 Steuben, Friedrich Wilhelm Ludolf Gerhard Augustin, Baron von, 1730-1794 53 NetLibrary, Inc 50 US Army Missile and Munitions Center and School 50 United States Administration on Aging 48 United States Department of Education 48 see all ...

English 31,003 German 1,966 Chinese 1,037 Russian 982 French 947 Spanish 684 Japanese 676 Hebrew 557 Italian 316 Indonesian 243 Thai 186 Arabic 158 Latin 155 Dutch 144 Portuguese 118 Korean 106 Vietnamese 76 Polish 63 Swedish 59 Ukrainian 55 Danish 49 Czech 46 Croatian 44 Greek 43 Icelandic 41 Persian 36 Turkish 35 Norwegian 33 Malay 31 Sanskrit 31 see all ...

Handbooks, manuals, etc 21,681 Handbooks and manuals 18,008 Handbook 1,905 Guides et manuels 1,454 handbooks 915 Directories 661 manuals (instructional materials) 590 History 544 Early works to 1800 533 Handbooks 507 Guides, manuels, etc 489 Bibliography 421 Dictionaries 377 Early works 366 Electronic books 320 Periodicals 298 Bibliographies 233 Criticism, interpretation, etc 214 Statistics 208 Tables 194 Government publications 193 Style manuals 159 Biography 154 Guidebooks 143 Genealogy 135 Manuals (Handbooks) 119 Catalogs 116 Rules 112 Sources 104 Reference works 98 see all ...

20th century 216 Early works to 1800 193 19th century 125 1945- 102 18th century 75 1900-1999 69 1900 - 1999 49 Since 1945 44 1991- 43 1800-1899 35 1976- 32 Since 1991 32 16th century 29 1265-1321 26 1564-1616 26 1950- 25 17th century 24 1951- 23 1949- 22 1700-1799 21 1990 21 1990- 21 1600-1868 20 1960- 20 Civil War, 1861-1865 20 1939-1945 19 1918-1945 17 Since 1950 17 1989- 16 1991 16 see all ...

United States 7,521 Great Britain 818 China 668 Japan 395 Soviet Union 367 California 347 Germany 327 Canada 308 New York (State) 278 Europe 253 France 251 Indonesia 223 Israel 219 England 218 India 211 Russia (Federation) 171 Thailand 166 Massachusetts 164 Australia 162 Developing countries 128 Germany (West) 127 Italy 118 Philippines 114 Russia 107 Illinois 102 Ireland 84 Africa 81 Foreign countries 80 Spain 75 Malaysia 71 see all ...