9 July 1920. Original. Miss F.E. Pettifer (FP) to Professor H. Verbrugghen (HV).

Marshall-Hall, George W., 9 July 1920. Original. Miss F.E. Pettifer (FP) to Professor H. Verbrugghen (HV). (9 July 1920), [UMA-IT-000018564]. University of Melbourne Archives, accessed 03/05/2026, https://archives.library.unimelb.edu.au/nodes/view/482437