History 330 Indigenous peoples 132 Indians of North America 97 History and criticism 70 Social life and customs 70 Politics and government 67 Social conditions 54 Antiquities 51 Mexican Americans 46 Manners and customs 43 Religion 34 Description and travel 33 Travel 33 Government relations 32 Criticism and interpretation 30 Indians of Mexico 26 Mayas 26 Maya 25 American poetry 24 Frontier and pioneer life 24 Navajo Indians 24 Navajo 22 Missions 21 Colonies 19 Economic conditions 19 Social aspects 18 American literature 17 Foreign relations 16 Pueblo Indians 16 Women 16