Correspondence to and from Ashworth, largely with Utzon., February to December, 1965 Date: February to December, 1965
Correspondence with the Minister of Public Works re proposal to register 'Sydney Opera House' as a trademark
Cross section, no. 162-164, March/April to June, 1966. University of Melbourne. Department of Architecture
Cuttings from The Australian, 22 March 1967 of a cartoon by Petty and an article about problems with the Opera House