Private and confidential correspondence - Analysis, all states, Jan. 1927 - Aug. 1930. Vol. 150, SR5B.

Shell Australia Limited, Private and confidential correspondence - Analysis, all states, Jan. 1927 - Aug. 1930. Vol. 150, SR5B. (1927-1930), [UMA-ITE-2008004501387]. University of Melbourne Archives, accessed 17/01/2026, https://archives.library.unimelb.edu.au/nodes/view/309776