History 426 Social conditions 76 Social life and customs 67 Politics and government 62 Histoire 50 Indians of North America 42 Frontier and pioneer life 40 more ... Colonies 39 Race relations 39 Slavery 34 Economic conditions 33 Social aspects 32 Ethnic relations 28 African Americans 21 Antiquities 20 Intellectual life 20 Description and travel 19 Administration 18 Commerce 17 Elite (Social sciences) 17 Manners and customs 17 Political culture 17 Civilization 16 History, Military 15 Discovery and exploration 14 Gentry 14 Social classes 14 Spaniards 14 Enslaved persons 13 Mœurs et coutumes 13 less ...