History 520 African Americans 443 Indians of North America 308 Periodicals 203 Antiquities 179 Politics and government 170 Civilization 125 mehr ... Foreign relations 106 Histoire 93 Indians 85 Noirs américains 83 Slavery 80 Race relations 70 Social life and customs 70 Ethnology 67 Archaeology 64 Education 63 Social conditions 63 Black people 54 Diplomatic relations 52 Antislavery movements 51 Jews 49 American literature 46 Relations 45 Societies, etc 45 Minorities 43 Statistics 42 World politics 41 Economic conditions 40 Government relations 40 weniger ...