Description and travel History 1,903 Travel 1,575 Social life and customs 1,228 Social conditions 407 Natural history 337 Voyages and travels 294 more ... Indians of North America 287 Politics and government 283 Discovery and exploration 252 Antiquities 236 Civilization 187 Women 180 Economic conditions 175 Frontier and pioneer life 149 History and criticism 143 History, Local 136 Homes and haunts 123 Missions 109 Geography 103 Overland journeys to the Pacific 95 In literature 90 Travelers 88 British 84 Early works to 1800 79 Foreign relations 76 Commerce 73 Authors, American 72 Explorers 72 Environmental conditions 69 less ...