History 54,055
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Politics and government 19,029
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History and criticism 13,717
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Social conditions 11,252
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Economic conditions 10,022
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Hochschulschrift 8,037
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Women 8,007
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Description and travel 8,004
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Law and legislation 6,513
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Agriculture 6,375
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Education 5,665
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Women's rights 5,614
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English language 5,471
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Foreign relations 5,441
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Law 4,933
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Geology 4,738
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Criticism and interpretation 4,732
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French drama 4,072
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Economic policy 3,986
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Study and teaching 3,828
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Grammar 3,820
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Philosophy 3,753
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Antiquities 3,485
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Civilization 3,394
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Economic aspects 3,326
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Research 3,306
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Medicine 3,269
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Mathematical models 3,172
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Diseases 3,167
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Social life and customs 3,008
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Commerce 2,935
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Botany 2,870
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Economics 2,804
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Science 2,597
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Industries 2,467
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Population 2,364
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Law reports, digests, etc 2,363
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Sources 2,281
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Finance 2,242
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World War, 1939-1945 2,199
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Islam 2,190
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Biography 2,160
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Religion 2,154
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Geology, Stratigraphic 2,132
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Colonies 1,962
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Spanish literature 1,919
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Ethnology 1,898
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Chemistry 1,848
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Legal status, laws, etc 1,846
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Land tenure 1,797
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Criticism, interpretation, etc 1,778
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Taxation 1,756
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Statistics 1,693
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Physiology 1,690
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Composition and exercises 1,687
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Missions 1,679
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Mathematics 1,646
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Business 1,608
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Forests and forestry 1,583
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Communism 1,555
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Spanish drama 1,515
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Analysis 1,508
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Hinduism 1,503
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Constitutional law 1,484
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German literature 1,444
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Management 1,441
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Finance, Public 1,434
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Dialects 1,406
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Paleontology 1,401
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Music 1,384
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World War, 1914-1918 1,377
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Political science 1,339
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Accounting 1,331
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Congresses 1,326
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Religious aspects 1,308
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Banks and banking 1,303
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Buddhism 1,300
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Plants 1,300
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Working class 1,299
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Socialism 1,294
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Social aspects 1,266
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Children 1,265
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Art 1,237
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Nazi propaganda 1,237
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Rural development 1,237
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Railroads 1,228
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Relations 1,225
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Church history 1,222
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Regional planning 1,221
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Soils 1,221
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Jews 1,217
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Operas 1,217
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Psychology 1,208
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Biology 1,201
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Birth control 1,194
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German language 1,172
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French language 1,168
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Appropriations and expenditures 1,149
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Periodicals 1,127
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Conduct of life 1,103
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