History 242 Indians of South America 110 Politics and government 72 Antiquities 37 Civilization 34 Social conditions 31 Foreign relations 29 more ... Colonies 28 Description and travel 22 Government relations 21 Archaeological museums and collections 20 Indian art 20 Indians of Mexico 18 Social life and customs 18 Race relations 17 Relations 16 Discovery and exploration 15 Historiography 15 History and criticism 13 Excavations (Archaeology) 12 Intellectual life 12 Social aspects 12 Administration 10 Economic conditions 10 Emigration and immigration 10 Ethnic relations 10 Spanish 10 Blacks 9 Incas 9 Philosophy 9 less ...