History 524 History and criticism 194 Politics and government 140 Social conditions 123 Indigenous peoples 101 Social life and customs 93 Mexican Americans 76 Antiquities 72 Manners and customs 72 Social aspects 70 Criticism and interpretation 67 Economic conditions 52 Religion 50 Women 45 Mayas 44 Foreign relations 42 Political aspects 42 Diplomatic relations 41 Maya 41 Motion pictures 41 American literature 36 Ethnic identity 33 Indians of Mexico 31 Intellectual life 31 Travel 31 Indians of North America 30 Political activity 30 Race relations 30 Civilization 29 Description and travel 29