[Robert Blackwood Ritchie with Charles Edward Coldham, 23 October 1913]

-, [Robert Blackwood Ritchie with Charles Edward Coldham, 23 October 1913] (23 October 1913), [UMA-ITE-1974008400387]. University of Melbourne Archives, accessed 09/11/2025, https://archives.library.unimelb.edu.au/nodes/view/218776