Journal of an exploring tour beyond the Rocky Mountains, under the direction of the A.B.C.F.M. In the years 1835, `36, and `37 microform. Containing a description of the geography, geology, climate, productions of the country, and the numbers, manners,. Воспроизведено в оригинальной авторской орфографии издания 1842 года (издательство "Ithaca, N.Y. : Mack, Andrus & Woodruff; Boston : Crocker & Brewster; New York : Dayton & Saxton; Collins, Keese; Philadelphia : Grigg & Elliott : London : Wiley & Putnam").