Books:
McGarry, S (2013) Art Of The National Parks, Fresco Fine Art Publications
Routson, R. (2005) Ranching Legacy. Ouray, CO: Double Shoe Publishing Company
Singer, A. (1999) Wildlife Art, Gloucester, MA: Quarry Press. pp. 75
Aldrich, E. A. (1998) Drawing and Painting Animals. New York: Watson – Guptill Inc
Whiting, J. (1997) Owl of North America, Clayton, ONT, Canada: Heliconia Press. 8, 16, 148
