History 4,140,145
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Politics and government 1,564,251
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Economic conditions 484,400
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Law and legislation 471,980
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Description and travel 410,072
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Social conditions 409,232
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Social life and customs 345,370
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History and criticism 327,537
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Foreign relations 321,535
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Antiquities 266,015
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Claims 247,877
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Political science 232,334
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Civilization 226,897
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Bills, Private 224,084
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Biography 222,717
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Education 220,449
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World War, 1939-1945 206,742
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Women 201,015
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Economic policy 194,312
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Histoire 190,738
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Economic history 189,872
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Jews 187,890
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Travel 176,155
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Periodicals 172,978
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Economic aspects 159,990
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Law 154,172
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Social aspects 149,891
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Finance 148,870
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Manners and customs 147,111
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Sources 141,250
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Agriculture 138,877
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Geology 137,394
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Government policy 134,855
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Study and teaching 133,075
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Church history 132,428
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Architecture 130,557
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Commerce 130,029
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Diplomatic relations 129,983
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Intellectual life 128,321
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International relations 121,146
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Music 119,787
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Art 115,557
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Statistics 111,842
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Taxation 110,495
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Congresses 102,018
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Research 100,579
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Criticism and interpretation 99,474
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Relations 98,913
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Buildings, structures, etc 98,235
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Legal status, laws, etc 95,238
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Religion 94,585
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Excavations (Archaeology) 91,116
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Bibliography 89,428
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Political aspects 87,028
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Indians of North America 84,713
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Armed Forces 82,259
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Religious aspects 81,315
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Management 80,914
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Emigration and immigration 80,370
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World War, 1914-1918 79,622
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Ethnic relations 79,077
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Population 78,525
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Constitutional law 78,091
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Industries 76,736
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Officials and employees 73,402
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City planning 71,247
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African Americans 70,881
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Railroads 70,874
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Theater 70,027
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Missions 69,917
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Political activity 69,429
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Popular music 69,302
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Communism 68,731
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Environmental aspects 67,272
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Appropriations and expenditures 67,072
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Prevention 66,539
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History, Military 66,144
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Folklore 65,454
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Exhibitions 63,732
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Campaigns 63,662
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Elections 63,397
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Housing 63,259
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Presidents 63,129
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Philosophy 62,653
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Budget 62,645
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Employment 62,481
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Kings and rulers 62,450
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Labor unions 62,076
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Colonies 61,935
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General 61,623
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Ethnology 61,357
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Motion pictures 60,475
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Families 59,819
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Civil rights 59,544
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Roads 58,976
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Finance, Public 58,904
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Banks and banking 58,162
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Slavery 57,952
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Historiography 56,885
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Working class 56,490
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