Record number13/002775Date qualifierexactDate rangeBetween 7th February 1940 and 18th December 1946NotesHawkesbury Diploma of Agriculture (HDA) Hawkesbury Agricultural College (HAC)
AO-1 Hawkesbury Agricultural College (HAC), Wallin, Donald Eric (Hawkesbury Diploma of Agriculture (HDA)). Western Sydney University, accessed 19/01/2026, https://collections.westernsydney.edu.au/nodes/view/80076
