Petroleum handbook, compiled by members of the Staff of the Royal Dutch Group, First edition, 1933

Shell Australia Limited, Petroleum handbook, compiled by members of the Staff of the Royal Dutch Group, First edition, 1933 (1933), [UMA-ITE-2008004501847]. University of Melbourne Archives, accessed 27/08/2026, https://archives.library.unimelb.edu.au/nodes/view/310235