Spanish Discovery and exploration 31 History 28 Discoveries in geography 24 Indians of North America 11 Colonies 7 Spaniards 6 more ... Antiquities 5 Excavations (Archaeology) 5 Explorers 5 Ethnic relations 3 First contact with other peoples 3 Historic sites 3 Historiography 3 Civil rights 2 Description and travel 2 First contact with Europeans 2 Governmental investigations 2 Human rights 2 Indians, Treatment of 2 Natural history 2 Relations with Indians 2 Social aspects 2 Southwest, New 2 Travel 2 Trials, litigation, etc 2 Agricultural laborers 1 Archival resources 1 Employment 1 English language 1 less ...