History 1,044 Colonies 158 Indians of North America 109 Politics and government 96 Slavery 58 Causes 56 Civilization 47 more ... American literature 46 History and criticism 44 African Americans 36 Commerce 34 Social conditions 33 Social life and customs 33 Iroquois Indians 28 Discovery and exploration 24 Race relations 24 Wars 24 Government relations 23 Intellectual life 22 Historiography 21 Law 21 Description and travel 20 Administration 19 Colonization 18 Ethnic relations 18 Frontier and pioneer life 17 Women 16 Puritans 15 Foreign relations 14 British 12 less ...