found: Introduction to the photoplay, c1977 (a.e.)t.p. (John C. Tibbetts)
found: Contemp. authors, v. 89/92(Tibbetts, John C(arter); b. 10/6/46; pseud.: Jack Ketch)
found: Tibbetts, John. The encyclopedia of stage plays into film, 2001:CIP t.p. (John Tibbetts)
found: Phone call to pub., 08-09-2000:(John Tibbetts; b. October 6, 1946)
found: The encyclopedia of filmmakers, c2002:v. 1-2, t.p. (John C. Tibbetts) v. 2, p. 710 (assoc. prof. of film studies, Univ. of Kansas)
found: Peter Weir interviews, 2014:t.p. (John C. Tibbetts) cover, page 4 (John C. Tibbetts; associate professor of film and media studies at the University of Kansas)
