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 más ... 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 menos ...