History 616 Frontier and pioneer life 229 Description and travel 183 Indians of North America 144 History and criticism 130 In literature 125 American literature 88 HISTORY 78 Histoire 73 Discovery and exploration 66 Women 66 General 64 Social life and customs 61 Social conditions 58 Territorial expansion 52 Western stories 51 Travel 50 State & Local 49 Economic conditions 43 Overland journeys to the Pacific 43 Social aspects 41 Womyn 39 Cowboys 33 Discoveries in geography 33 Historiography 33 Race relations 33 West (AK, CA, CO, HI, ID, MT, NV, UT, WY) 32 Pioneers 31 Environmental conditions 30 Water-supply 30 Ethnic relations 29 Frontier and pioneer life in literature 28 Women pioneers 28 Art, American 27 Authors, American 26 African Americans 25 Environmental aspects 25 Exhibitions 24 HISTORY / United States / State & Local / West (AK, CA, CO, HI, ID, MT, NV, UT, WY) 24 NATURE 24 Politics and government 24 Wars 24 Women authors 24 Civilization 23 Environmental policy 23 Government policy 22 Intellectual life 22 Public lands 22 Water resources development 22 Geology 21 Landscape photography 20 American fiction 19 Railroads 19 Women and literature 19 BUSINESS & ECONOMICS 18 Criticism and interpretation 18 Emigration and immigration 18 Law and legislation 18 Literature 18 Natural history 18 SOCIAL SCIENCE 18 Southwest (AZ, NM, OK, TX) 18 Land use 17 Fur trade 16 Outlaws 16 Political aspects 16 American 15 LITERARY CRITICISM 15 Water rights 15 Descriptions et voyages 14 Immigrants 14 Indians in literature 14 Manners and customs 14 Military life 14 Photography 14 BIOGRAPHY & AUTOBIOGRAPHY 13 Cities and towns 13 Explorers 13 Histoire et critique 13 History, Local 13 Photographers 13 Western films 13 Agriculture 12 Economic aspects 12 Gold mines and mining 12 Homes and haunts 12 World War, 1939-1945 12 Biography 11 Ecology 11 Government relations 11 Natural resources 11 Painting, American 11 Artists 10 Frontier thesis 10 Gold discoveries 10 Japanese Americans 10 Jews 10 Mines and mineral resources 10 POLITICAL SCIENCE 10 Pictorial works 10