- Baird, Spencer Fullerton (1859). Reptiles of the boundary, with notes by the naturalists of the survey, In Report of the United States and Mexican Boundary Survey, Under the Order of Lieut. Col. W.H. Emory, Major First Cavalry, and United States Commissioner, vol. 2, no 2, Department of the Interior, Washington, D.C., p. 1-35.
- Coniophanes imperialis at the New Reptile Database. Accessed on 20 april 2015.
- IUCN: Coniophanes imperialis (Baird & Girard, 1859) (Least Concern)