[Robert Blackwood Ritchie with Charles Edward Coldham, 2 October 1911]

-, [Robert Blackwood Ritchie with Charles Edward Coldham, 2 October 1911] (2 October 1911), [UMA-ITE-1974008400353]. University of Melbourne Archives, accessed 14/11/2025, https://archives.library.unimelb.edu.au/nodes/view/218742