Record number13/002701Date qualifierexactDate rangeBetween 31st January 1920 and 31st December 1920NotesHawkesbury Diploma of Agriculture (HDA) Hawkesbury Agricultural College (HAC)
AO-1 Hawkesbury Agricultural College (HAC), Verbrugghen, P (Hawkesbury Diploma of Agriculture (HDA)). Western Sydney University, accessed 27/06/2026, https://collections.westernsydney.edu.au/nodes/view/35581
