History 661
Frontier and pioneer life 251
Description and travel 189
Indians of North America 153
History and criticism 139
In literature 135
American literature 99
Social life and customs 76
Discovery and exploration 69
Women 65
Travel 64
Social conditions 61
Western stories 52
Territorial expansion 48
Overland journeys to the Pacific 47
Discoveries in geography 41
Economic conditions 41
Pioneers 41
Social aspects 40
Historiography 39
Womyn 39
Cowboys 38
Literature 36
Authors, American 34
Race relations 34
Frontier and pioneer life in literature 32
Manners and customs 31
African Americans 30
Water-supply 30
Women pioneers 30
Environmental conditions 29
Ethnic relations 29
Intellectual life 29
Politics and government 29
Wars 29
Women authors 28
Art, American 27
Civilization 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 20
Criticism and interpretation 19
Environmental policy 19
Land use 19
Railroads 19
Water rights 19
Explorers 18
American fiction 17
Law and legislation 17
Ranch life 17
Fur trade 16
History, Local 16
Homes and haunts 16
Military life 16
Political aspects 16
Biography 15
Ecology 15
Indians in literature 15
Economic aspects 14
Immigrants 14
Cities and towns 13
Gold mines and mining 13
Government relations 13
Photographers 13
Photography 13
World War, 1939-1945 13
American poetry 12
Families 12
Histoire 12
History, Military 12
Mines and mineral resources 12
Natural resources 12
Slavery 12
Western films 12
Women authors, American 12
Antiquities 11
Community life 11
Economic history 11
Gold discoveries 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
National parks and reserves 10
Pictorial works 10
Regionalism 10