Grace Threlfall to Duirs and Threlfall. (trustees in the Will of George Threlfall) Release to Executors.

William Ardlie, Grace Threlfall to Duirs and Threlfall. (trustees in the Will of George Threlfall) Release to Executors. (Undated), [UMA-IT-000005799]. University of Melbourne Archives, accessed 01/04/2026, https://archives.library.unimelb.edu.au/nodes/view/468387