Description and travel History 2,111 Travel 1,727 Social life and customs 1,316 Social conditions 436 Natural history 377 Indians of North America 357 more ... Voyages and travels 319 Politics and government 297 Discovery and exploration 294 Antiquities 242 Civilization 202 Economic conditions 197 Slavery 185 Women 181 Frontier and pioneer life 169 History and criticism 166 History, Local 145 Homes and haunts 128 Missions 128 Geography 108 Overland journeys to the Pacific 107 In literature 100 Slave trade 98 Travelers 97 African Americans 93 British 89 Commerce 82 Early works to 1800 82 Colonies 80 less ...