Ashworth's report to Executive Committee re his overseas tour, August-September, 1960 Date: August/September, 1960
'Attachments' to [?] dated February 1959 - April 1964, including a memorandum of agreement between the NSW Premier and Arup dated November 1958
Bar chart, possibly prepared by Civil and Civic, of Stage I construction program, May 1959 - February 1961
Bar charts of time schedule for building operations, 1963 to 1967 (Utzon's proposals A and B) and Utzon's estimate of costs "based on 1961 -1962", July 1963 Date: July 1963