"List drivers by country – Monaco". Archived from the original on 8 October 2007. Retrieved 31 August 2006. www.f1db.com identifies Testut as Monagasque, although he was born in Lyons, France.
"The first Grand Prix of Monaco". Motor Sport Magazine (May 1929): 11. 7 July 2014. Archived from the original on 4 August 2016. Retrieved 4 August 2016.; Kettlewell, p. 1382.
"The first Grand Prix of Monaco". Motor Sport Magazine (May 1929): 11. 7 July 2014. Archived from the original on 4 August 2016. Retrieved 4 August 2016.; Kettlewell, p. 1382.
"Yearly Roar". Atlas F1. Archived from the original on 30 September 2007. Retrieved 27 February 2007.
"List drivers by country – Monaco". Archived from the original on 8 October 2007. Retrieved 31 August 2006. www.f1db.com identifies Testut as Monagasque, although he was born in Lyons, France.