History 269
Frontier and pioneer life 110
Description and travel 51
In literature 51
History and criticism 50
Indians of North America 45
Discovery and exploration 34
Social life and customs 29
American literature 28
Social conditions 27
Women 26
Travel 23
Pioneers 22
Social aspects 22
Western stories 22
Cowboys 20
Territorial expansion 19
Race relations 16
Wars 15
Environmental aspects 14
Overland journeys to the Pacific 14
Environmental conditions 13
Outlaws 13
African Americans 12
Explorers 12
Railroads 12
Civilization 11
Intellectual life 11
Gender identity 10
Government relations 10
Indigenous peoples 10
Water-supply 10
Western films 10
Women pioneers 10
Authors, American 9
Emigration and immigration 9
Frontier and pioneer life in literature 9
History, Local 9
Politics and government 9
Women authors 9
Ethnic relations 8
Government policy 8
Homes and haunts 8
Industrialization 8
Land use 8
Soldiers 8
Criticism and interpretation 7
Economic conditions 7
Environmental policy 7
History, Military 7
Immigrants 7
Landscapes 7
Military life 7
Natural history 7
Public lands 7
Conservation of natural resources 6
Economic aspects 6
Fur trade 6
Political aspects 6
Women and literature 6
American poetry 5
Effect of human beings on 5
Entertainers 5
Historiography 5
Land settlement 5
Latter Day Saint churches 5
Migrations 5
Racism 5
Regionalism in literature 5
Slavery 5
Technology 5
Women authors, American 5
Women in literature 5
Agriculture 4
American fiction 4
Biography 4
Community life 4
Cowgirls 4
Crime 4
Forests and forestry 4
Gold discoveries 4
Gold mines and mining 4
Human ecology 4
In mass media 4
In motion pictures 4
Land use, Rural 4
Law and legislation 4
Masculinity 4
Migration, Internal 4
Mines and mineral resources 4
Missions 4
Nature 4
Nature conservation 4
Nuclear weapons 4
Place (Philosophy) in literature 4
Politics and literature 4
Prevention and control 4
Ranch life 4
Social change 4
Study and teaching 4