Travel Description and travel 1,117 History 595 Social life and customs 229 Manners and customs 153 Natural history 114 History and criticism 108 more ... Discovery and exploration 71 Social conditions 68 Tourism 65 Indians of North America 63 Social aspects 55 Discoveries in geography 49 In literature 45 Antiquities 44 Civilization 44 Voyages and travels 44 History, Local 43 Politics and government 43 Authors, American 42 Americans 39 Homes and haunts 38 Frontier and pioneer life 36 Voyages 35 Environmental conditions 34 Geography 33 Intellectual life 32 Ecology 31 Travelers 31 Descriptions et voyages 30 less ...