History Histoire 21,511 HISTORY 9,207 General 7,948 Politics and government 4,389 SOCIAL SCIENCE 4,083 History and criticism 3,668 Social conditions 3,175 POLITICAL SCIENCE 3,155 Social aspects 2,707 Politique et gouvernement 2,082 Histoire et critique 2,007 State & Local 1,985 LITERARY CRITICISM 1,841 RELIGION 1,705 Political aspects 1,664 Race relations 1,611 African Americans 1,532 BUSINESS & ECONOMICS 1,511 Conditions sociales 1,507 Social life and customs 1,504 Aspect social 1,431 Reference 1,397 BIOGRAPHY & AUTOBIOGRAPHY 1,393 Women 1,367 Christianity 1,222 Intellectual life 1,125 Economic conditions 1,109 Philosophy 1,093 Civilization 1,083