History 138 Discovery and exploration 34 Indians of North America 34 Description and travel 32 Frontier and pioneer life 28 Histoire 28 Fur trade 20 more ... Explorers 19 Spaniards 16 Travel 16 Descriptions et voyages 15 Territorial expansion 14 Overland journeys to the Pacific 13 Pioneers 9 Spanish 9 Colonies 7 Fur traders 6 Mexican War, 1846-1848 6 First contact with Europeans 5 Missions 5 Trappers 5 Antiquities 4 Indiens d'Amérique 4 Siena Donor: Hanlon, O.F.M., Capistran J. 4 Découverte et exploration 3 Discoveries in geography 3 Ethnic relations 3 Ethnoarchaeology 3 Expansion territoriale 3 History, Military 3 less ...