Chapman, J. (2022). The Money Behind the Screen: A History of British Film Finance, 1945-1985. Edinburgh University Press p 17. Variety gave the figure as US $550,000 see "Good Pix Can't Be Made Cheaply". Variety. 12 June 1934. p. 21.
"British Film Losses". The Barrier Miner. Broken Hill, New South Wales. 8 February 1936. p. 3. Retrieved 4 August 2012 – via National Library of Australia. - Chapman gives this figure as "over £500,000"<re>Chapman p 17