The National Library of Australia's Trove is a free repository of Australian material, including almost a million Australian theses.
Via the 'Help on finding Australian theses' section of the Trove website, you can find out:
To discover Australian theses prior to 1989, print indexes may be required as some may not be available in the National Library's Trove search. The links below are some of the Library's records for Australian theses bibliographies. See catalogue links at: