History 518 African Americans 443 Indians of North America 307 Periodicals 203 Antiquities 179 Politics and government 170 Civilization 124 más ... Foreign relations 106 Histoire 91 Indians 85 Noirs américains 83 Slavery 80 Race relations 70 Social life and customs 70 Ethnology 67 Archaeology 64 Education 64 Social conditions 63 Black people 54 Diplomatic relations 52 Antislavery movements 51 Jews 49 American literature 46 Relations 45 Societies, etc 44 Statistics 43 Minorities 42 World politics 42 Economic conditions 40 Government relations 39 menos ...