Book 15,564 Serial 2,101 Conference Proceeding 637 Journal 431 Electronic 24 Article 22 Book Chapter 18 Map 13 Government Document 5 Unknown 4 Kit 2 Newspaper 2 Thesis 2 see all ...

H - Social Science 3,288 J - Political Science 1,816 D - World History 1,589 Q - Science 1,401 T - Technology 1,175 N - Fine Arts 690 S - Agriculture 488 R - Medicine 467 L - Education 461 K - Law 429 G - Geography, Anthropology, Recreation 410 U - Military Science 377 Z - Library Science 197 F - General American History 102 V - Naval Science 91 C - Historical Sciences 89 B - Philosophy, Psychology, Religion 61 P - Language and Literature 56 A - General Works 45 M - Music 34 E - United States History 5 see all ...

Great Britain 1,117 Great Britain Colonial Office 629 Great Britain Foreign Office 511 Great Britain Board of Trade 468 Geological Survey of Great Britain 377 Great Britain Central Office of Information. Reference Division 243 Victoria and Albert Museum 232 Great Britain Home Office 224 Great Britain Board of Education 217 Great Britain Public Record Office 212 Great Britain Foreign Office. Historical Section 199 Great Britain Department of Overseas Trade 181 Great Britain Ministry of Health 177 Great Britain Commercial Relations and Exports Department 173 Great Britain Treasury 170 Great Britain Royal Commission on Historical Manuscripts 167 Great Britain War Office 165 Medical Research Council (Great Britain) 160 Museum of Practical Geology (Great Britain) 159 Great Britain Ministry of Housing and Local Government 153 Great Britain Admiralty 139 France 136 United States 132 Great Britain Department of Scientific and Industrial Research 128 Great Britain Meteorological Office 128 Great Britain Department of the Environment 123 Great Britain General Register Office 107 Great Britain Office of Population Censuses and Surveys 102 Great Britain Ministry of Agriculture and Fisheries 101 Great Britain Central Office of Information 99 see all ...

English 18,058 French 374 Spanish 80 German 65 Latin 45 Italian 43 Portuguese 39 Russian 28 Arabic 16 Multiple 16 Dutch 15 Swedish 10 Undetermined 10 Chinese 9 Greek 8 Irish 6 Welsh 5 Afrikaans 4 Danish 3 Icelandic 3 Japanese 3 Middle English 3 Norwegian 3 Turkish 3 Hungarian 2 Albanian 1 Austronesian 1 Burmese 1 Croatian 1 Czech 1 see all ...

Periodicals 657 Catalogs 428 Sources 416 History 401 Statistics 378 Bibliography 257 Congresses 179 Conference papers and proceedings 126 Census data 104 Pamphlets 102 Bibliographies 74 Indexes 64 Observations 58 Exhibitions 55 Census 51 Guidebooks 51 Exhibition catalogs 49 Directories 47 Tables 44 Treaties 40 Case studies 37 Electronic books 36 Handbooks, manuals, etc 35 Statistics, Vital 33 Biography 32 Maps 30 Government publications 28 Handbooks and manuals 27 Catalogs and collections 26 Archives 25 see all ...

1939-1945 175 1914-1918 166 1918-1945 98 1918- 95 1945- 65 1939 - 1945 64 20th century 52 1919-1947 47 Since 1918 45 1914 - 1918 38 Since 1945 29 1485- 28 1900-1999 26 18th century 25 Stuarts, 1603-1714 23 1961 21 19th century 21 Tertiary 20 1945-1964 18 1951 17 Carboniferous 17 1971 16 From 280 to 345 million years ago 15 1485-1603 13 1776-1837 13 1765-1947 12 1964-1979 12 1800-1899 11 1914-1939 11 1945-1955 11 see all ...

Great Britain 6,113 England 1,510 Scotland 772 Northern Ireland 379 London 325 Wales 298 Germany 241 India 220 Ireland 201 United States 159 Europe 157 France 138 United Kingdom 116 Africa 111 Canada 100 Italy 94 Egypt 90 China 81 Turkey 79 Soviet Union 67 Belgium 66 Iraq 65 Kenya 65 West Indies, British 63 Netherlands 62 South Africa 62 Greece 61 London (England) 60 Africa, East 59 Nigeria 58 see all ...