Envelope addressed to P. Gavan Duffy. Endorsed "Jack's last letter".

Archer, William H., Envelope addressed to P. Gavan Duffy. Endorsed "Jack's last letter". (Undated), [UMA-IT-000047075]. University of Melbourne Archives, accessed 20/06/2026, https://archives.library.unimelb.edu.au/nodes/view/511695