"Airisms from the Four Winds". Flight. X (29): 803 [17]. 18 July 1918. with indistinct photo (top left). The other aircraft are a Thulin K monoplane also hanging from the ceiiling, the sole trimotor Thulin H and a Thulin M single-seat fighter manufactured by Nielsen & Winther in Denmark.
"1915: Hall School Of Flying". The Aviation Ancestry Database of British Aviation Advertisements, 1909 -1990. Retrieved 24 April 2023.
bnf.fr
gallica.bnf.fr
"Le capitaine Gran, pionnier de l'air méconnu". Le Figaro (in French). 26 July 1934. p. 4d. Retrieved 22 June 2022. Another article on the same page reports an award to five pilots who had collectively flown over 1,000,000 kilometres for Air France.
"A True Survivor!"(PDF). The Spirit of North Weald. The North Weald Airfield History Series (1). Epping Forest District Council: 37–38. Retrieved 7 June 2022.