Description and travel History 2,120 Travel 1,762 Social life and customs 1,315 Social conditions 436 Natural history 384 Indians of North America 363 more ... Voyages and travels 316 Politics and government 298 Discovery and exploration 296 Antiquities 241 Civilization 197 Economic conditions 196 Slavery 185 Women 181 Frontier and pioneer life 170 History and criticism 167 History, Local 143 Homes and haunts 127 Missions 121 Geography 111 Overland journeys to the Pacific 108 In literature 100 Slave trade 99 Tourism 99 Travelers 97 African Americans 93 British 84 Early works to 1800 82 Colonies 80 less ...