History 4,143,111
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Politics and government 1,564,962
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Economic conditions 484,708
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Law and legislation 472,333
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Description and travel 410,295
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Social conditions 409,608
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Social life and customs 345,707
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History and criticism 327,969
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Foreign relations 321,778
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Antiquities 266,219
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Claims 247,884
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Political science 232,362
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Civilization 227,058
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Bills, Private 224,084
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Biography 222,785
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Education 220,572
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World War, 1939-1945 206,893
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Women 201,187
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Economic policy 194,444
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Histoire 194,319
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Economic history 190,092
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Jews 188,031
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Travel 176,423
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Periodicals 172,994
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Economic aspects 160,099
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Law 154,261
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Social aspects 150,091
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Finance 148,931
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Manners and customs 147,424
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Sources 141,301
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Agriculture 138,941
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Geology 137,404
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Government policy 134,966
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Study and teaching 133,186
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Church history 132,504
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Architecture 130,682
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Diplomatic relations 130,193
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Commerce 130,131
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Intellectual life 128,435
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International relations 121,256
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Music 119,847
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Art 115,721
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Statistics 111,847
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Taxation 110,553
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Congresses 102,035
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Research 100,641
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Criticism and interpretation 99,702
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Relations 99,001
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Buildings, structures, etc 98,331
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Legal status, laws, etc 95,321
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Religion 94,682
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Excavations (Archaeology) 91,203
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Bibliography 89,435
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Political aspects 87,170
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Indians of North America 84,759
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Armed Forces 82,316
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Religious aspects 81,422
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Management 80,966
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Emigration and immigration 80,454
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World War, 1914-1918 79,680
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Ethnic relations 79,133
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Population 78,546
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Constitutional law 78,129
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Industries 76,758
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Officials and employees 73,440
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City planning 71,298
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African Americans 70,971
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Railroads 70,886
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Theater 70,079
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Missions 69,940
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Political activity 69,479
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Popular music 69,356
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Communism 68,765
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Environmental aspects 67,303
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Appropriations and expenditures 67,090
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Prevention 66,594
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History, Military 66,196
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Folklore 65,502
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Exhibitions 63,744
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Campaigns 63,708
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Elections 63,425
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Housing 63,281
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Presidents 63,171
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Philosophy 62,726
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Budget 62,659
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Kings and rulers 62,513
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Employment 62,507
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Labor unions 62,095
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Colonies 61,979
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General 61,691
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Ethnology 61,384
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Motion pictures 60,605
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Families 59,934
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Civil rights 59,592
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Roads 58,987
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Finance, Public 58,931
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Banks and banking 58,180
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Slavery 57,972
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Historiography 56,937
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Working class 56,508
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