History 329 Frontier and pioneer life 172 Indians of North America 92 Description and travel 60 In literature 51 History and criticism 48 Discovery and exploration 43 Wars 43 Pioneers 41 Social life and customs 33 Western stories 28 Territorial expansion 26 Authors, American 25 Explorers 24 Travel 24 American literature 23 Social conditions 21 Criticism and interpretation 18 Overland journeys to the Pacific 18 Military life 17 Women 16 Railroads 15 Cowboys 14 Economic conditions 14 Government relations 14 Outlaws 14 Women pioneers 13 Soldiers 12 African Americans 11 Homes and haunts 11