Papers
Apart from some business papers, the collection relates almost entirely to O'Sullivan's career as a Queensland Senator and Minister in the Menzies Government. They include correspondence, reports, subject files, notes, speeches, cuttings, photographs, invitations, menus and publications. The papers are most extensive for the period 1956-1959, when O'Sullivan was Attorney-General and Chairman of the joint Committee on Constitutional Review. Correspondents include Robert Menzies, Shane Paltridge, Sir Owen Dixon, Reg Wright, Douglas Menzies and Magnus Cormack.