[Robert Blackwood Ritchie with Charles Edward Coldham, 20 April 1916]

-, [Robert Blackwood Ritchie with Charles Edward Coldham, 20 April 1916] (20 April 1916), [UMA-ITE-1974008400445]. University of Melbourne Archives, accessed 08/11/2025, https://archives.library.unimelb.edu.au/nodes/view/218834