There is material associated with or acquired during the finalising of the estate of Gertrude Langer, which John Riedel assisted with. It includes a diary, correspondence relating to the Langer's, eulogies and notes about Gertrude Langer, a copy of her will, newspaper cuttings, and photographs.

Box 1
Item 1
1939 diary belonging to Gertrude Langer. Handwritten notes begin from July 21. July 27 is the day the Langer's arrived in Brisbane.

Folder 1
There are thirty six colour photographs which include photographs of: Gertrude Langer on holidays, the memorial seat and Rhyl Hinwood sculpture of Gertrude Langer (1986), Ute Heinen who wrote his thesis on Gertrude Langer; and photographs taken by John Riedel when he went to the Langer house after the death of Gertrude (1984). There are twenty black and white photographs of Karl and Gertrude Langer. Many of the photographs are undated. Some dates from 1935 to 1959.

Folders 2-3
Tributes etc from people and organisations, Langer Memorial Committee papers and correspondence, eulogies, newspaper cuttings, copy of will,

Folder 4
Notes made by John Riedel when he sorted through the Langer house at St.Lucia in 1984. 37 leaves. Includes 12 photographs.

This series contains papers and correspondence associated with John Riedel, including cards from Gertrude Langer to him, 1983-1985. There is also a photocopy of a letter written by Gertrude Langer replying to a letter from Kathe and Walter from London, ca. 1959.