Book 15,584 Serial 2,073 Conference Proceeding 632 Journal 431 Electronic 23 Article 22 Book Chapter 18 Map 13 Government Document 5 Unknown 4 Kit 2 Newspaper 2 Thesis 2 see all ...

H - Social Science 3,276 J - Political Science 1,817 D - World History 1,588 Q - Science 1,400 T - Technology 1,177 N - Fine Arts 690 S - Agriculture 489 R - Medicine 468 L - Education 460 K - Law 442 G - Geography, Anthropology, Recreation 411 U - Military Science 377 Z - Library Science 197 F - General American History 103 V - Naval Science 91 C - Historical Sciences 90 B - Philosophy, Psychology, Religion 60 P - Language and Literature 55 A - General Works 45 M - Music 29 E - United States History 5 see all ...

Great Britain 1,119 Great Britain Colonial Office 625 Great Britain Foreign Office 511 Great Britain Board of Trade 452 Geological Survey of Great Britain 378 Great Britain Central Office of Information. Reference Division 243 Victoria and Albert Museum 232 Great Britain Home Office 223 Great Britain Board of Education 217 Great Britain Public Record Office 212 Great Britain Foreign Office. Historical Section 200 Great Britain Department of Overseas Trade 181 Great Britain Ministry of Health 175 Great Britain Commercial Relations and Exports Department 173 Great Britain Treasury 167 Great Britain Royal Commission on Historical Manuscripts 166 Great Britain War Office 165 Medical Research Council (Great Britain) 159 Museum of Practical Geology (Great Britain) 159 Great Britain Ministry of Housing and Local Government 152 Great Britain Admiralty 139 France 136 United States 132 Great Britain Meteorological Office 128 Great Britain Department of Scientific and Industrial Research 125 Great Britain Department of the Environment 121 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 18,053 French 374 Spanish 82 German 65 Latin 45 Italian 43 Portuguese 39 Russian 28 Arabic 16 Dutch 15 Multiple 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 662 Catalogs 431 Sources 417 History 404 Statistics 379 Bibliography 257 Congresses 179 Conference papers and proceedings 126 Census data 104 Pamphlets 104 Bibliographies 73 Indexes 64 Observations 58 Exhibitions 55 Guidebooks 53 Census 51 Exhibition catalogs 49 Directories 47 Tables 44 Treaties 41 Electronic books 38 Case studies 37 Handbooks, manuals, etc 35 Statistics, Vital 33 Biography 32 Maps 31 Government publications 29 Archives 27 Handbooks and manuals 27 Catalogs and collections 25 see all ...

1939-1945 179 1914-1918 170 1918-1945 96 1918- 92 1939 - 1945 64 1945- 63 20th century 52 1919-1947 47 Since 1918 45 1914 - 1918 38 Since 1945 29 1485- 28 1900-1999 27 18th century 24 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 1945-1955 13 1765-1947 12 1964-1979 12 1800-1899 11 1914-1939 11 see all ...

Great Britain 6,088 England 1,511 Scotland 773 Northern Ireland 378 London 324 Wales 295 Germany 240 India 219 Ireland 200 United States 158 Europe 157 France 138 United Kingdom 116 Africa 111 Canada 100 Italy 93 Egypt 90 China 81 Turkey 79 Belgium 66 Soviet Union 66 Iraq 64 West Indies, British 63 Netherlands 62 South Africa 62 Greece 61 Kenya 60 London (England) 60 Africa, East 59 Nigeria 58 see all ...