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- E-bookA Life Wild and PerilousRobert M. Utley
- E-bookGeronimoRobert M. Utley
- E-bookWantedRobert M. Utley
- E-bookHigh Noon in LincolnRobert M. Utley
- E-bookThe Indian Frontier 1846-1890Robert M. Utley
- E-bookNotes Illustrating the Military Geography of the United States, 1813–1880Raphael P. Thian
- E-bookReshaping Our National Parks and Their GuardiansKathy Mengak