References:
Lamb, Frank R. The Pioneer Story of Joseph Milton Lamb. Self-published by the Lamb family, date unknown.
Jessen, Ken Colorado Gunsmoke, J.V. Publications, 1986
Ormes, Robert. Tracking Ghost Railroads in Colorado. Colorado Springs: Century One Press, 1975, pp. 46-49.
Simmons, Virginia McConnell. The San Luis Valley. Niwot: University Press of Colorado, 1999, pp. 141-143.
Wilkins, Tivis. Colorado Railroads. Boulder: Pruett Publishing Company, 1974, pp. 34, 37, 129, 137.
John Lamb, Littleton, Colorado, interview 9/24/1996.