Indians of South America SOCIAL SCIENCE 21 Anthropology 13 General 11 HISTORY 11 History 11 Cultural 10 Social conditions 10 Languages 9 Antiquities 8 Politics and government 8 Social life and customs 8 Economic conditions 7 Ethnohistory 7 Material culture 7 Effect of human beings on 6 Ethnic identity 6 Ethnoecology 6 Government relations 6 Human ecology 6 Indigenous peoples 6 Nature 6 Ethnobotany 5 Ethnology 5 Écologie humaine 5 Human geography 5 Public opinion 5 Human Geography 4 Indianen 4 Indians, South American 4