Private and confidential correspondence - Trading policy, Sep. 1929 - Apr. 1930. Vol. 121, SR5B

Shell Australia Limited, Private and confidential correspondence - Trading policy, Sep. 1929 - Apr. 1930. Vol. 121, SR5B (1929-1930), [UMA-ITE-2008004501368]. University of Melbourne Archives, accessed 25/06/2026, https://archives.library.unimelb.edu.au/nodes/view/309757