CHITTENDEN, H. M. The American Fur Trade of the Far West, New York, 1902. OP. Basic work. Bibliography.

CLELAND, ROBERT GLASS. This Reckless Breed of Men: The Trappers and Fur Traders of the Southwest, Knopf, New York, 1950. Fresh emphasis on the California-Arizona-New Mexico region by a knowing scholar. Economical in style without loss of either humanity or history. Bibliography.

CONRAD, HOWARD L. Uncle Dick Wootton, 1890. Primary source. OP.

COYNER, D. H. The Lost Trappers, 1847.

DAVIDSON, L. J., and BOSTWICK, P. The Literature of the Rocky Mountain West 1803-1903, Caxton, Caldwell, Idaho, 1939. Davidson and Forrester Blake, editors. Rocky Mountain Tales, University of Oklahoma Press, Norman, 1947.

DEVOTO, BERNARD. Across the Wide Missouri, Houghton Mifflin, Boston, 1947. Superbly illustrated by reproductions of Alfred Jacob Miller. DeVoto has amplitude and is a master of his subject as well as of the craft of writing.

FAVOUR, ALPHEUS H. Old Bill Williams, Mountain Man, University of North Carolina Press, Chapel Hill, 1936. Flavor and facts both. Full bibliography.

FERGUSSON, HARVEY. Rio Grande, 1933, republished by Tudor, New York. The drama and evolution of human life in New Mexico, written out of knowledge and with power. Wolf Song, New York, 1927. OP. Graphic historical novel of Mountain Men. It sings with life.

GARRARD, LEWIS H. Wah-toyah and the Taos Trail, 1850. One of the basic works.

GRANT, BLANCHE C. When Old Trails Were New—The Story of Taos, New York, 1934. OP. Taos was rendezvous town for the free trappers.