Confidential correspondence - Vacuum Oil Co, Jul. 1939 - Dec. 1939. Vol. 441, SR5B

Shell Australia Limited, Confidential correspondence - Vacuum Oil Co, Jul. 1939 - Dec. 1939. Vol. 441, SR5B (1939), [UMA-ITE-2008004501554]. University of Melbourne Archives, accessed 15/01/2026, https://archives.library.unimelb.edu.au/nodes/view/309943