Description and travel History Travel 494 Social life and customs 155 Manners and customs 89 History and criticism 67 Natural history 61 更多 ... Travelers 60 Indians of North America 53 Politics and government 50 Civilization 48 Discovery and exploration 45 In literature 42 British 40 Social conditions 40 History, Local 36 Frontier and pioneer life 34 Voyages and travels 33 Americans 31 Antiquities 29 Discoveries in geography 26 Historiography 25 Mongols 24 Jews 22 Economic conditions 21 Landscapes 21 Public opinion 20 Social aspects 20 Tourism 20 Relations 19 少 ...