Description and travel History 1,982 Travel 1,695 Social life and customs 1,263 Social conditions 424 Natural history 368 Indians of North America 347 more ... Voyages and travels 305 Discovery and exploration 289 Politics and government 282 Antiquities 223 Economic conditions 184 Civilization 182 Women 181 Slavery 169 Frontier and pioneer life 167 History and criticism 156 History, Local 141 Homes and haunts 120 Missions 113 Overland journeys to the Pacific 107 Tourism 96 Geography 95 In literature 95 Slave trade 93 African Americans 91 Travelers 89 British 84 Early works to 1800 79 Authors, American 76 less ...