RB Ritchie & Son Pty Ltd Minute Book to 31/12/72 Then to Minute Book

R. B. Ritchie & Son Pty Ltd, RB Ritchie & Son Pty Ltd Minute Book to 31/12/72 Then to Minute Book (18 April 1958-26 December 1972), [UMA-ITE-1985008300004]. University of Melbourne Archives, accessed 02/05/2026, https://archives.library.unimelb.edu.au/nodes/view/255267