From Kook Science
- Grover S. Vosburgh and Lillian R. Vosburgh, Drs. of Applied Psychology, in a solicitation in the Freeport, Illinois Journal-Standard of 14 Feb. 1928: "Applied 'Cosmic' psychology lessons in selfology, subconscious mind reading, character reading from handwriting. Bring signature in own handwriting. Healing by applied 'Cosmic.'" Refer: https://www.newspapers.com/newspage/3327546/
- Matthew Mattson, copyright registration on Selfology Lessons #1-4, 1932. Refer: https://books.google.com/books?id=jEtaAAAAIAAJ&pg=PA42
- F. Bruce Russell advertising classes in Self-ology, 1937. Refer: "PERSONALS", Hollywood Citizen-News (Hollywood, CA): 18, 19 Mar. 1937, https://www.newspapers.com/newspage/683084674/, "F. BRUCE RUSSELL. Character Analyst, Teacher of Self-ology. Classes forming. HE-4949."
- Charles A. Marcoux, lecture at the Fountainhead in May 1973 on "Selfology." Refer: "Group Schedules Psychic Events", Arizona Daily Star (Tucson, AZ): 33, 16 May 1973, https://www.newspapers.com/newspage/166968339/