Text this: To the Rockies and Oregon, 1839-1842 ; with diaries and accounts by Sidney Smith, Amos Cook, Joseph Holman, E. Willard Smith, Francis Fletcher, Joseph Williams, Obadiah Oakley, Robert Shortess [and] T. J. Farnham / Edited, and with analytical notes, by Le Roy R. Hafen and Ann W. Hafen.