Correspondence relating to the construction of extensions to Main Library, University of Queensland St Lucia; dated 13 Sep 1961 to 7 Jul 1966. Main Library was later known as Undergraduate Library; with the construction of Central Library in 1971 its name was changed to Duhig Building; and later, around 2000, to Duhig Tower. Correspondence in this file has been decanted from a large binder.