The collection contains papers assembled by Alex Brown during his expeditions to Macquarie Island (1956), Mawson (1958) and Davis (1961) in Antarctica. The papers include personal messages sent to his family, official monthly newsletters, a catalogue of lichens and algae collected on Macquarie Island, a diary of a four month seismic traverse south of Mawson, nest records and logs for research into snow petrels (1958-1962), Davis and Platcha weather station radio logs, newspaper cuttings and photographs, and colour slides of Macquarie Island and Antarctica including expeditioners, wildlife and landscapes.