History 293,957 Politics and government 77,455 Law and legislation 70,487 History and criticism 60,650 Histoire 54,317 Aeronautics 38,722 Claims 38,365 more ... Bills, Private 34,637 Social conditions 34,456 Social aspects 32,621 Criticism and interpretation 31,331 Economic conditions 30,818 Education 28,454 Foreign relations 27,822 Study and teaching 27,476 Philosophy 26,802 Research 26,371 Women 26,309 Management 25,239 Social life and customs 25,017 Geology 23,811 Description and travel 22,166 African Americans 22,053 Finance 20,325 Economic aspects 19,538 English language 17,949 Government policy 17,232 Environmental aspects 17,058 Indians of North America 15,867 World War, 1939-1945 15,714 less ...