Schonborn, Karl. “Archival Soundbites, Footage, and Photographs — Past, Present and Future: The Perspective of a Documentary Filmmaker and Sociologist”. IASSIST Quarterly 14, no. 3-4 (January 31, 1991): 23. Accessed July 3, 2024. https://iassistquarterly.com/index.php/iassist/article/view/423.