History 750 Politics and government 314 Indians of South America 110 Social conditions 87 Social life and customs 83 Description and travel 79 Civilization 76 hơn ... Foreign relations 62 Indians of Mexico 61 Antiquities 59 Intellectual life 40 Government relations 37 Historiography 37 Archaeological museums and collections 35 Economic conditions 35 Religion 33 Relations 32 Colonies 30 Presidents 30 Indian art 28 History and criticism 27 Blacks 25 Race relations 24 Political violence 23 Discovery and exploration 22 Emigration and immigration 22 Philosophy 22 Travel 22 Ethnic relations 21 Excavations (Archaeology) 20 ít hơn ...