History 357 Social life and customs 82 Manners and customs 68 Politics and government 66 African Americans 50 Social conditions 43 Race relations 36 更多 ... Frontier and pioneer life 30 Slavery 30 Mountain life 20 Intellectual life 19 Authors, American 18 Economic conditions 18 Enslaved persons 18 Indians of North America 17 Social aspects 17 In literature 16 Coal miners 15 History and criticism 15 Antiquities 14 Families 14 Pioneers 13 Women 13 Cooking 12 History, Military 12 Homes and haunts 12 Antislavery movements 11 Biography 11 Coal mines and mining 11 Cooking, American 11 少 ...