Life in the Rocky mountains : a diary of wanderings on the sources of the rivers Missouri, Columbia, and Colorado from February, 1830, to November, 1835 / by W. A. Ferris, then in the employ of the American fur company
Published from Western literary messenger, v. 2, no. 27, 11 January 1843-v. 3, no. 44, 18 May 1844, in sixty chapters and eight appendices; exact reference to each chapter and appendix on first four pages of this microcard.
Microform. Louisville, Ky., Lost Cause Press, 1960. 2 microopaques (4 sides) ; 8 x 13 cm. (Wagner-Camp. Plains and Rockies)