Albert Payson Terhune, Sunnybank, and the Sunnybank Collies
- Photographs of Sunnybank, past and present, photographs of the Sunnybank collies, plus excerpts from Terhune's writings about the great Sunnybank collies.
- http://www.sunnybankcollies.us/

Albert Payson Terhune
- Devoted to the writings of Albert Payson Terhune. Book, magazines, biographies and information on the Terhune family members, on Sunnybank, and on the Sunnybank Collies.
- http://www.math.ttu.edu/~wlewis/terhune.html