History 332 Indians of North America 119 Colonies 49 History and criticism 39 Social conditions 39 Discovery and exploration 36 Politics and government 36 more ... Paleontology 34 Indians, Treatment of 27 Discoveries in geography 26 Government relations 25 Travel 25 Ethnic relations 24 Description and travel 22 Social aspects 22 American literature 21 Geology, Stratigraphic 21 Race relations 21 Emigration and immigration 19 Civilization 16 Colonization 16 Economic conditions 16 First contact with other peoples 16 Frontier and pioneer life 16 Missions 16 Political aspects 16 French 15 Histoire 15 In literature 15 Social life and customs 15 less ...