Colyer Watson (New Guinea) Ltd RA Colyer

R. B. Ritchie & Son Pty Ltd, Colyer Watson (New Guinea) Ltd RA Colyer (13 October 1947-2 December 1947), [UMA-ITE-1985008300662]. University of Melbourne Archives, accessed 02/05/2026, https://archives.library.unimelb.edu.au/nodes/view/255925