- 'A Humanist Ecology', CIBA no. 35, Autumn 1965, pp. 38-42 (5 copies)
- File: 'Civic Trust/Rossin' - correspondence July 1963-March 1965 re Economist, Liverpool and other projects. [9 letters removed from folder and added to Preliminary Correspondence Urgent West' as they are part of that series of letters]
- File: 'Preliminary Correspondence Urgent West' McHarg and Wilentz, March 1960-April 1964.
- 'The River Wey at Guildford', undated ms, 4p
- 'Townscape: A Liverpool Notebook' reprinted from Architectural Review, April 1965
- 'Westminster Revisited' reprinted from Architectural Review, June 1958
- File: 'Target Projector' - project file with correspondence, drawings and photographs, 1941
- 'Eyes on Tenterden' article extract by Kenneth Browne, with drawings by GC, pp. 276-280
- 2 unidentified tracings
- Press cutting from 'Kentish Gazette', 8 Dec 1967 on Canterbury, featuring drawing by GC
- Letter from Dennis Grebner, Townscape Ltd. to GC, 23 April 1987 re organising an exhibition.
- Photograph album: 'Delhi Photo I' - includes photographs from France, Gibralter, Port Said, Suez and Red Sea, from Sep 1958
- Photograph album: 'Delhi Photo II'
- Envelope: 'Diary Delhi' - containing notes and drawings, 1959
- File: '2' - containing India diary with sketches, 26 Oct 1962-Feb 1963