History 217 Politics and government 132 Economic conditions 112 Colonies 72 Foreign relations 57 History and criticism 40 Social conditions 39 Colonization 32 Social aspects 32 Foreign economic relations 30 Civilization 26 Description and travel 25 Political aspects 25 Economic policy 24 Economic aspects 21 Decolonization 19 Case studies 17 Imperialism 16 Agriculture 15 Colonial influence 15 Relations 15 Women 15 Study and teaching 14 Blacks 13 In literature 13 Slave trade 13 Administration 12 Historiography 12 Postcolonialism 12 Race relations 12