History 667 Frontier and pioneer life 255 Description and travel 189 Indians of North America 154 History and criticism 142 In literature 136 American literature 99 more ... Social life and customs 77 Discovery and exploration 69 Women 67 Travel 64 Social conditions 61 Western stories 55 Overland journeys to the Pacific 49 Territorial expansion 49 Pioneers 43 Discoveries in geography 41 Economic conditions 41 Cowboys 40 Social aspects 40 Historiography 39 Womyn 39 Frontier and pioneer life in literature 37 Literature 37 Race relations 35 Authors, American 34 Women pioneers 32 Manners and customs 31 African Americans 30 Ethnic relations 30 less ...