History 1,160 Politics and government 515 Indians of South America 185 Social life and customs 172 Social conditions 162 Civilization 131 Description and travel 112 Foreign relations 98 Indians of Mexico 91 Antiquities 86 Intellectual life 70 Economic conditions 67 Government relations 66 Religion 62 Historiography 58 Relations 49 Colonies 42 Presidents 42 History and criticism 41 Blacks 39 Archaeological museums and collections 35 Political violence 35 Travel 35 Emigration and immigration 32 Social aspects 32 Aztecs 31 Indian art 31 Ethnic relations 30 Race relations 29 Discovery and exploration 28