General Histoire History 27,223 HISTORY 13,036 SOCIAL SCIENCE 4,462 POLITICAL SCIENCE 3,863 State & Local 3,507 Politics and government 3,041 BUSINESS & ECONOMICS 2,953 LITERARY CRITICISM 2,595 Politique et gouvernement 2,474 History and criticism 2,389 Histoire et critique 2,119 RELIGION 2,093 American 1,842 Social conditions 1,839 BIOGRAPHY & AUTOBIOGRAPHY 1,735 Social aspects 1,655 Reference 1,522 Conditions sociales 1,508 Government 1,427 Aspect social 1,391 Political aspects 1,162 Anthropology 1,148 International Relations 1,111 International 1,064 Christianity 1,022 Aspect politique 976 Foreign relations 926 Diplomatic relations 896