Description and travel Travel 1,732 History 1,435 Social life and customs 823 Manners and customs 545 Natural history 274 Antiquities 229 more ... Politics and government 206 Indians of North America 200 Social conditions 183 Discovery and exploration 162 History and criticism 156 Voyages and travels 156 Civilization 139 Art 131 Economic conditions 128 Homes and haunts 117 Discoveries in geography 114 In literature 103 Travelers 92 Geography 83 Missions 76 Frontier and pioneer life 74 History, Local 73 Architecture 72 British 62 Slavery 60 Authors, American 57 Geology 55 Americans 50 less ...