Description and travel History 2,164 Travel 1,797 Social life and customs 1,392 Social conditions 438 Natural history 395 Indians of North America 370 more ... Voyages and travels 316 Discovery and exploration 300 Politics and government 299 Antiquities 243 Economic conditions 213 Civilization 195 Slavery 186 Women 183 Frontier and pioneer life 175 History and criticism 169 History, Local 144 Tourism 143 Homes and haunts 132 Missions 121 Overland journeys to the Pacific 114 Geography 111 In literature 100 Slave trade 99 Travelers 97 African Americans 92 Colonies 84 Early works to 1800 83 Explorers 82 less ...