History 824 Colonies 601 Imperialism 165 Politics and government 146 History and criticism 129 Social conditions 84 Administration 78 Imperialism in literature 78 Colonies in literature 77 Economic conditions 73 Foreign relations 64 Decolonization 63 Postcolonialism 61 Social aspects 61 Colonization 59 Emigration and immigration 58 Women 48 English literature 46 Race relations 43 British 41 Civilization 40 Colonial influence 38 Immigrants 36 Nationalism 35 Economic aspects 32 Political aspects 32 Slavery 31 Historiography 28 Indians of North America 28 Social life and customs 25