History 78 Colonies 42 Discovery and exploration 25 Discoveries in geography 24 Administration 16 Spanish 13 Sources 11 more ... Indians of North America 9 Colonization 8 Politics and government 8 Historiography 7 History and criticism 7 Slave trade 7 Government relations 6 Indians, Treatment of 6 Slavery 6 Spanish colonies 6 British colonies 5 First contact with other peoples 5 Indians 5 American literature 4 British 4 Frontier and pioneer life 4 Manuscripts 4 Social conditions 4 Colonial administrators 3 Enslaved persons 3 Foreign relations 3 French colonies 3 Social life and customs 3 less ...