Secondary Sources on the History of Industrial Television and CCTV: 

Chandler, Katherine. “American Kamikazes: Television-Guided Assault Drones in World War II.” In Life in the Age of Drone Warfare, edited by Lisa Parks and Caren Kaplan, 89–111. Duke University Press, 2017.

Freis, David. "Televising the Future: The 1970 Houston–Davos TV Broadcast and the Future of Medicine in the Space Age", Locating medical television. The Televisual Spaces of Medicine and Health in the 20th Century. An International Conference organized by ERC BodyCapital, Université de Strasbourg & the Science Museum Dana Research Centre, with the support of the Max Planck Institute for Human Development, Berlin, 13. November 2020.

Furuhata, Yuriko. “Multimedia Environments and Security Operations: Expo ’70 as a Laboratory of Governance.” Grey Room, no. 54 (2014): 56–79.

Grimaldi, Carmine. “Televising Psyche: Therapy, Play, and the Seduction of Video.” Representations 139, no. 1 (August 1, 2017): 95–117. 

Hughes, Kit. Television at Work: Industrial Media and American Labor. Oxford, New York: Oxford University Press, 2020.

Kammerer, Dietmar. “Police Use of Public Video Surveillance in Germany 1956: Management of Traffic, Repression of Flows, Persuasion of Offenders.” Surveillance & Society 6, no. 1 (January 9, 2009): 43–47.

Keeler, Amanda. “Old New Media: Closed-Circuit Television and the Classroom.” Convergence 24, no. 6 (2018): 538–53. 

Keilbach, Judith, and Markus Stauff. “When Old Media Never Stopped Being New. Television’s History as an Ongoing Experiment.” In After the Break. Television Theory Today, edited by Marijke de Valck and Jan Teurlings, 79–98. Amsterdam: Amsterdam University Press, 2013.

Lagrange, Jean-Jaques. Le projecteur Eidophor, une invention suisse qui va révolutionner le monde de l'image, April 2014.

Lauritsen, Peter, and Andreas Feuerbach. ‘CCTV in Denmark 1954-1982’. Surveillance & Society 13, no. 3/4 (2015): 528–38.

Lefebvre, Thierry, and Cécile Raynal. Un studio de télévision à l’école. Le collège expérimental audiovisuel de Marly-le-Roi (1966-1992). Paris: Editions Glyphe, 2017.

Meyer, Caroline. Der Eidophor: Ein Grossbildprojektionssystem zwischen Kino und Fernsehen 1939-1999. Zürich: Chronos, 2009.

Murray, Susan. “’All to See Where Few Can Be:’ Color Television as Electronic Surgical Amphitheater in Post-War Medical Education.” Technology and Culture, vol. 61, no.3, July 2020.

Saward, Angela. “‘Television Discourses’: How the University of London’s Audio-Visual Centre Professionalised and Democratised the Televisual Lecture for Postgraduate Medical Students.” Gesnerus 76, no. 2 (2019): 192–224. .

Solbrig, Heide. “Das Persönliche ist politisch. Mitsprache- und Bürgerrechte in den Unternehmsvideos des Bell-Konzerns, 1970-1984.” In Filmische Mittel, industrielle Zwecke: Das Werk des Industriefilms, edited by Patrick Vonderau and Vinzenz Hediger, 176-200. Berlin: Vorwerk 8, 2007.

Weber, Anne-Katrin. “« L’œil électrique » et « la torpille volante » : pistes pour une histoire du drone à partir de l’histoire télévisuelle.A contrario n° 29, no. 2 (2019): 81–98.

Williams, Chris A. ‘Police Surveillance and the Emergence of CCTV in the 1960s’. Crime Prevention and Community Safety 5, no. 3 (2003): 27–37.