Colonies History 357 Administration 155 Spanish colonies 145 Indians, Treatment of 68 Politics and government 50 Discovery and exploration 49 more ... Colonization 46 Discoveries in geography 41 Spanish 38 Indians of South America 36 Government relations 31 Foreign relations 30 Indians 29 Indians of North America 28 Missions 27 Civilization 26 Historiography 24 Slavery 22 Commerce 21 Relations 21 Religion 21 Social life and customs 21 International relations 20 Imperialism 19 First contact with other peoples 18 Economic conditions 16 Ethnic relations 16 History and criticism 15 Social conditions 14 less ...