(1960s) Shot a silent, two- to three-minute short called "William Buys a Parrot" in which author William S. Burroughs does exactly that. This "home movie" was included in the Towers Open Fire (1966) compilation video.
Richard Gordon, producer of Balch's Secrets of Sex (1970) and interviewer Tom Weaver discuss Balch's life and career on the audio commentary track of the DVD of "Secrets of Sex" (sold under the title "Bizarre"; Synapse Films, 2005).