Sources consultées pour l'information factuelle sur Wolf's Brush

• Bennett, Carl. "Progressive Silent Film List" https://www.silentera.com/PSFL/index.html.
• Goble, Alan. "The Complete Index to World Film Since 1895" http://www.citwf.com/.
• TURNER, D.J. « Nell Shipman Filmography » , dans The Silent Screen & My Talking Heart: An Autobiography, 3rd ed. , par Nell SHIPMAN, Boise, Idaho, Boise State University, 2001. [en anglais] (pp. 205-206)
• "Women Film Pioneers Project: Nell Shipman" Columbia University. https://wfpp.columbia.edu/pioneer/ccp-nell-shipman/.