Commission of Appointment of Alan Blackwood Ritchie to Sub Lieutenant of His Majesty's Fleet

R. B. Ritchie & Son Pty Ltd, Commission of Appointment of Alan Blackwood Ritchie to Sub Lieutenant of His Majesty's Fleet (15 November 1915), [UMA-ITE-1985008300721]. University of Melbourne Archives, accessed 02/05/2026, https://archives.library.unimelb.edu.au/nodes/view/255984