History 4,161,827
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Politics and government 1,570,635
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Economic conditions 486,155
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Law and legislation 474,825
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Social conditions 412,038
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Description and travel 411,227
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Social life and customs 348,264
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History and criticism 329,628
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Foreign relations 324,540
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Antiquities 267,628
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Claims 247,891
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Political science 232,527
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Civilization 228,286
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Bills, Private 224,083
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Biography 222,870
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Education 222,665
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Histoire 210,779
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World War, 1939-1945 207,821
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Women 203,118
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Economic policy 195,481
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Economic history 190,613
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Jews 189,017
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Travel 178,137
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Periodicals 173,084
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Economic aspects 160,759
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Finance 158,085
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Law 154,977
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Social aspects 151,454
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Manners and customs 148,233
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Sources 141,801
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Agriculture 139,520
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Geology 137,631
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Government policy 135,680
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Study and teaching 133,923
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Church history 132,831
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Architecture 131,340
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Commerce 130,551
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Diplomatic relations 130,516
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Intellectual life 129,097
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International relations 122,291
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Music 120,413
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Art 116,453
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Statistics 113,423
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Taxation 113,016
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Congresses 101,991
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Research 101,051
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Criticism and interpretation 100,301
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Relations 99,518
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Buildings, structures, etc 98,750
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Legal status, laws, etc 95,822
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Religion 95,483
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Excavations (Archaeology) 91,918
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Bibliography 89,452
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Political aspects 87,968
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Indians of North America 84,913
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Armed Forces 82,653
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Religious aspects 81,945
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Management 81,250
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Emigration and immigration 81,033
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World War, 1914-1918 79,901
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Population 79,556
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Ethnic relations 79,489
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Constitutional law 78,660
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Industries 76,951
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Officials and employees 73,645
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City planning 71,643
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African Americans 71,312
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Railroads 71,091
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Theater 70,510
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Missions 70,105
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Political activity 69,953
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Popular music 69,593
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Communism 69,186
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Environmental aspects 67,579
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Appropriations and expenditures 67,148
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Prevention 66,942
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History, Military 66,573
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Folklore 65,856
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Banks and banking 64,389
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Housing 64,286
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Budget 64,213
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Exhibitions 63,956
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Campaigns 63,939
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Elections 63,625
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Employment 63,544
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Presidents 63,505
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Philosophy 63,124
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Kings and rulers 62,917
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Labor unions 62,252
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Colonies 62,144
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General 62,026
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Ethnology 61,700
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Finance, Public 61,592
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Motion pictures 61,273
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Families 61,062
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Civil rights 59,989
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Roads 59,080
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Slavery 58,118
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Historiography 57,306
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Land tenure 56,664
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