History 66 Politics and government 26 Social conditions 19 Indians of South America 17 Civilization 11 Ethnic relations 10 Description and travel 9 Relations 8 Social life and customs 8 Intellectual life 7 Mexican Americans 7 Antiquities 5 Civil rights 5 Economic conditions 5 Civil rights movements 4 Foreign relations 4 Government relations 4 Influence 4 Mexican American women 4 Social aspects 4 Tales 4 Travel 4 Blacks 3 Ethnic identity 3 Historiography 3 Indians of Mexico 3 Jews 3 Mythology 3 Nationalism 3 Political aspects 3