Sources Consulted for Factual Information about Breaking Through

• "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/.
• "WorldCat" OCLC Online Computer Library Center. http://www.worldcat.org/.