History 667 Frontier and pioneer life 255 Description and travel 189 Indians of North America 154 History and criticism 140 In literature 136 American literature 99 Social life and customs 77 Discovery and exploration 69 Women 67 Travel 64 Social conditions 61 Western stories 52 Territorial expansion 49 Overland journeys to the Pacific 47 Pioneers 43 Discoveries in geography 41 Economic conditions 41 Social aspects 40 Cowboys 39 Historiography 39 Womyn 39 Literature 37 Race relations 35 Authors, American 34 Frontier and pioneer life in literature 32 Women pioneers 32 Manners and customs 31 African Americans 30 Ethnic relations 30 Intellectual life 30 Water-supply 30 Civilization 29 Environmental conditions 29 Politics and government 29 Wars 29 Women authors 29 Art, American 27 Government policy 27 Environmental aspects 26 Public lands 26 Exhibitions 25 Natural history 23 Landscape photography 22 Emigration and immigration 21 Geology 21 Outlaws 21 Water resources development 21 Women and literature 21 Railroads 20 Criticism and interpretation 19 Environmental policy 19 Land use 19 Water rights 19 Explorers 18 Ranch life 18 American fiction 17 Biography 17 Homes and haunts 17 Law and legislation 17 Fur trade 16 History, Local 16 Military life 16 Political aspects 16 Ecology 15 Indians in literature 15 Economic aspects 14 Gold mines and mining 14 Immigrants 14 Cities and towns 13 Government relations 13 Histoire 13 Photographers 13 Photography 13 Women authors, American 13 World War, 1939-1945 13 American poetry 12 Families 12 Gold discoveries 12 History, Military 12 Latter Day Saint pioneers 12 Mines and mineral resources 12 Natural resources 12 Slavery 12 Western films 12 Antiquities 11 Community life 11 Economic history 11 Japanese Americans 11 Management 11 Painting, American 11 Religion 11 African American authors 10 Agriculture 10 Artists 10 Family 10 Human ecology 10 Landscapes 10 Latter Day Saint churches 10 National parks and reserves 10