History 64 Discovery and exploration 34 Spanish 31 Politics and government 21 Foreign relations 16 Explorers 15 Indians 14 more ... Mexican Americans 13 Antiquities 12 Civil rights 10 Early accounts to 1600 10 Social conditions 10 Civilization 9 Historiography 9 Indians of South America 9 Ethnic relations 8 Indian art 8 Relations 8 Description and travel 7 Ethnic identity 7 Indians of North America 7 Natural history 7 Hispanic Americans 6 Travel 6 Colonies 5 Indians of Mexico 5 Social aspects 5 Emigration and immigration 4 Government relations 4 History and criticism 4 less ...