Description and travel Travel 1,223 History 982 Descriptions et voyages 855 Social life and customs 425 Indians of North America 292 Natural history 198 more ... Discovery and exploration 187 Histoire 180 Frontier and pioneer life 145 Manners and customs 117 Overland journeys to the Pacific 113 Social conditions 96 Politics and government 82 Antiquities 80 Indians of South America 80 History, Local 78 Mœurs et coutumes 77 Economic conditions 74 Gold discoveries 66 Publications by Graduates 65 Indiens d'Amérique 62 Journeys 62 Explorers 60 Historic buildings 51 Slavery 49 Fur trade 44 Mayas 43 Discoveries in geography 42 Civilization 40 less ...