"La Production". Le Club 404 (in French). Retrieved 9 March 2019.
"Échos et Nouvelles" [News and Rumours] (PDF). L'Expert Automobile (in French). No. 24. July 1967. p. 97. Archived from the original(PDF) on 10 March 2023 – via Le Club 404.
Brunner, Martin. "404 Chassis Numbers". The Peugeot 404 Pictures, Sounds und Data Pages. Archived from the original on 19 August 2005.
"Échos et Nouvelles" [News and Rumours] (PDF). L'Expert Automobile (in French). No. 24. July 1967. p. 97. Archived from the original(PDF) on 10 March 2023 – via Le Club 404.