History 479 Frontier and pioneer life 257 Description and travel 172 Indians of North America 148 Travel 105 In literature 80 Discovery and exploration 79 more ... History and criticism 77 Pioneers 70 Overland journeys to the Pacific 68 Wars 63 Social life and customs 49 Territorial expansion 40 Social conditions 34 American literature 33 Explorers 33 Western stories 31 Authors, American 30 Cowboys 28 Outlaws 28 Criticism and interpretation 24 Women 23 Government relations 22 Politics and government 21 Women pioneers 21 Economic conditions 20 Military life 19 Race relations 18 Soldiers 18 Gold discoveries 17 less ...