https://www.imdb.com/name/nm0293197/

Film Index International, 1997---(Jerrold Freedman; productor, director y guionista)

El caso del crimen perfecto, 1989---(Jerrold Freedman, director)

WWW IMBD, 16-2-2022---(Jerrold Freedman; Jerrold Frank Freedman (Filadelfia, 1941). Director y guionista, conocido por Psychiatrist (1970), Kojak (1973) y Los atrevidos: Los protectores (1969))

Internet movie database, 26-12-2003---(Jerrold Freedman; b. 1941; sometimes credited as Alan Smithee; director, producer, writer, actor)