Sources Consulted for Factual Information about By Their Own Strength
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"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]
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Film Reference Library. "Canadian Film Encyclopedia." Film Reference Library (Toronto International Film Festival Group). http://cfe.tiff.net/canadianfilmencyclopedia/. (s.v. 'By Their Own Strength')