[Robert Blackwood Ritchie with Charles Edward Coldham, 30 October 1912]

-, [Robert Blackwood Ritchie with Charles Edward Coldham, 30 October 1912] (30 October 1912), [UMA-ITE-1974008400374]. University of Melbourne Archives, accessed 08/11/2025, https://archives.library.unimelb.edu.au/nodes/view/218763