Private and confidential correspondence - Personal official letters and memos, Oct. 1926 - Mar. 1930. Vol. 111, SR5B.

Shell Australia Limited, Private and confidential correspondence - Personal official letters and memos, Oct. 1926 - Mar. 1930. Vol. 111, SR5B. (1926-1930), [UMA-ITE-2008004501358]. University of Melbourne Archives, accessed 13/12/2025, https://archives.library.unimelb.edu.au/nodes/view/309747