History 4,239,134
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Politics and government 1,597,562
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Economic conditions 498,475
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Law and legislation 495,831
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Social conditions 425,953
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Description and travel 417,900
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Social life and customs 358,163
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History and criticism 339,031
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Foreign relations 332,054
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Antiquities 271,385
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Claims 248,359
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Histoire 241,471
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Political science 233,207
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Civilization 232,621
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Education 227,962
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Bills, Private 224,087
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Biography 222,629
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World War, 1939-1945 213,623
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Women 208,675
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Economic policy 202,125
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Economic history 193,522
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Jews 193,204
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Travel 183,073
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Periodicals 170,435
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Finance 165,704
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Economic aspects 165,090
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Social aspects 161,149
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Law 159,239
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Manners and customs 151,913
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Government policy 142,889
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Sources 141,581
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Agriculture 141,497
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Geology 137,642
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Study and teaching 137,076
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Commerce 134,847
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Church history 134,813
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Architecture 132,966
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Diplomatic relations 132,135
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Intellectual life 131,973
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International relations 126,939
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Music 122,828
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Art 118,469
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Taxation 116,292
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Statistics 112,540
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Research 103,769
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Criticism and interpretation 103,341
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Relations 101,754
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Congresses 101,602
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Buildings, structures, etc 100,551
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Legal status, laws, etc 98,825
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Religion 98,679
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Excavations (Archaeology) 93,469
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Political aspects 92,373
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Bibliography 89,205
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Indians of North America 88,379
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Armed Forces 85,922
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Religious aspects 84,806
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Management 84,670
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Emigration and immigration 84,601
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Ethnic relations 81,621
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Constitutional law 80,741
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Population 80,370
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World War, 1914-1918 80,350
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Industries 78,159
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Officials and employees 75,219
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African Americans 74,580
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City planning 72,837
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Railroads 72,088
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Political activity 72,026
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Communism 71,953
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Theater 71,692
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Missions 71,203
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Popular music 70,906
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Prevention 70,722
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Appropriations and expenditures 69,359
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Environmental aspects 69,282
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History, Military 67,817
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Folklore 66,968
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Presidents 66,790
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Banks and banking 66,515
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Budget 65,625
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Elections 65,459
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Housing 65,139
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Employment 65,111
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Campaigns 64,998
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Philosophy 64,928
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Exhibitions 64,081
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Colonies 64,050
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Kings and rulers 63,958
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Labor unions 63,480
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Motion pictures 63,379
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Families 63,123
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Ethnology 62,884
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Finance, Public 62,785
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General 62,454
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Civil rights 62,211
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Politique et gouvernement 61,686
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Slavery 61,048
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Roads 59,059
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Historiography 58,655
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