This collections contains correspondence, manuscripts, typescripts, photographs, ephemera and other material written by or relating to Professor Gordon Greenwood. This includes material about his wife Thora Greenwood (nee Smeal), their family and extended family, friends and academic associates, research material for works by Gordon Greenwood and about Gordon Greenwood and Thora Greenwood. Helen Derrick, their daughter has used much of the material in this collection to produce family history documents; in some cases she has added her own notes to this material. Some of her works are also contained in the collection.

The collection comprises 1109 photographs, 1 album (with 39 photographs), and 10 digital images relating to the University of Queensland. It also includes real photo postcards.

Correspondence, reports and diaries for the University of Queensland Bushwalking Club (UQBWC). There are thirteen Annual reports, including the the first annual report from 1950 which records the formation of the club. There are documents, correspondence, and reports relating to the Mt Barney Hut that the Club constructed. Two diaries of outings and activies for 1994 and 1995 are present. There is a photograph album of activities of the club from the 1950s, comprising 147 black and white photographs, some yellowing with age, and 4 colour photographs. Most photographs have been pasted onto the pages, with captions.