History 3,757 Politics and government 1,003 Histoire 692 Social conditions 545 Description and travel 519 Social life and customs 447 Race relations 435 more ... African Americans 381 Foreign relations 284 Frontier and pioneer life 277 Civilization 269 Economic conditions 234 Politique et gouvernement 234 Indians of North America 193 Antiquities 170 Ethnic relations 161 Civil rights 141 Relations 138 Discovery and exploration 133 Travel 131 Indians of Mexico 127 Mayas 110 Colonies 107 Conditions sociales 103 Social aspects 103 Indians of South America 102 Missions 102 Manners and customs 95 15.85 history of America 94 Slavery 91 less ...