[Robert Blackwood Ritchie with Charles Edward Coldham, 31 March 1915]

-, [Robert Blackwood Ritchie with Charles Edward Coldham, 31 March 1915] (31 March 1915), [UMA-ITE-1974008400417]. University of Melbourne Archives, accessed 09/11/2025, https://archives.library.unimelb.edu.au/nodes/view/218806