Confidential correspondence - Vacuum Oil Co, Aug. 1938 - Dec. 1938. Vol. 422, SR5B

Shell Australia Limited, Confidential correspondence - Vacuum Oil Co, Aug. 1938 - Dec. 1938. Vol. 422, SR5B (1938), [UMA-ITE-2008004501540]. University of Melbourne Archives, accessed 06/09/2026, https://archives.library.unimelb.edu.au/nodes/view/309929