History 622,122
Politics and government 394,578
Claims 240,675
Law and legislation 229,108
Bills, Private 223,928
Foreign relations 107,230
Finance 66,148
Government policy 64,100
Education 48,392
Appropriations and expenditures 47,015
Budget 45,322
Armed Forces 44,644
Economic conditions 43,467
Taxation 42,130
Research 41,890
African Americans 41,569
Social conditions 41,262
Diplomatic relations 40,571
International relations 40,393
Prevention 40,153
Expenditures, Public 38,666
Economic aspects 37,647
Officials and employees 37,317
Women 35,963
Presidents 35,936
Management 35,330
Slavery 33,986
Legal status, laws, etc 31,523
Periodicals 30,655
Study and teaching 30,233
Biography 29,927
Social aspects 29,918
States 29,378
Political science 28,363
Statistics 27,828
History and criticism 27,213
Evaluation 26,196
Medical care 26,107
Employment 25,849
World War, 1939-1945 25,747
Railroads 25,022
Description and travel 24,124
Race relations 23,958
Indians of North America 23,885
Social life and customs 23,458
Commerce 23,180
Civil rights 22,143
Popular music 22,050
Emigration and immigration 21,395
American 21,004
Histoire 20,742
Jews 20,689
Employees 20,569
Economic policy 20,485
Housing 20,348
Law 19,506
General 19,455
Relations 18,987
National security 18,964
Political aspects 18,662
Veterans 18,229
Environmental aspects 17,939
Services for 17,058
Congresses 17,007
Public lands 16,986
Standards 16,968
Tariff 16,761
Universities and colleges 16,335
Labor unions 16,141
Soldiers 15,995
Agriculture 15,971
Banks and banking 15,852
Safety measures 15,852
Transportation 15,831
Older people 15,749
Foreign economic relations 15,479
Bibliography 15,421
Economic history 15,233
Governmental investigations 15,194
Salaries, etc 15,188
Small business 15,160
Rules and practice 14,870
Travel 14,818
Civilization 14,641
Income tax 14,602
Administrative agencies 14,293
Wages 14,270
Terrorism 14,025
Religious aspects 13,694
World War, 1914-1918 13,393
Pollution 13,345
Planning 13,192
Regimental histories 13,104
Population 12,857
Prices 12,758
Constitutional law 12,669
Public opinion 12,595
Architecture 12,577
Campaigns 12,475
Military policy 12,301