Ibold, Hans (13 November 2000). "L.A.'s Own Ghostbuster". Los Angeles Business Journal. 22 (46). Pat Linse, co-founder of the Skeptic Society in Pasadena.
The number 50,000 is based on the circulation of Skeptic magazine, which is probably higher than the Society's actual membership. "Contribution Guidelines". Skeptic. Retrieved 8 November 2016.
Loxton, Daniel (November 2009). "The Paradoxical Future of Skepticism". Skeptical Inquirer. 33 (6). Committee for the Scientific Investigation of Claims of the Paranormal.