"ArchiviaNet: Online Research Tool: Film, Video and Sound / ArchiviaNet : Recherche en ligne : Films, vidéos et enregistrements sonores." Library and Archives Canada / Bibliothèque et Archives Canada. https://www.collectionscanada.gc.ca/archivianet/.
[English / French]
Screen Culture Research Group, Concordia University. "Canadian Educational, Sponsored, and Industrial Film Archive." Department of Communication Studies, Concordia University. http://www.screenculture.org/cesif/.
Film Reference Library. "Canadian Film Encyclopedia." Film Reference Library (Toronto International Film Festival Group). http://cfe.tiff.net/canadianfilmencyclopedia/. (s.v. 'Judith Crawley')