John Kilcullen now retired, taught English Literature in the University of Queensland, Philosophy in the University of Toronto, and Politics and Philosophy in Macquarie University. Publications include Philosophy and Politics and early modern and medieval intellectual history.John Scott worked at the University of Tasmania, Macquarie University, and the University of Sydney. Publications and translations of works include William of Malmesbury, Hugh of Poitiers, Robert Kilwardby, and William of Alnwick, and with John Kilcullen, the translation of William of Ockham's Work of Ninety Days and William of Ockham's Dialogus Parts 2 and 3.1.

• PrefaceIntroductionApparatus and notes1 DIALOGUS 1-5Prologus1: Ad quos, theologos videlicet vel canonistas, pertinet principaliter diffinire que assertiones catholice, que heretice, qui heretici et qui catholici, debeant reputari2: Que assertiones heretice, que catholice, sunt censende3: Quis errans est inter hereticos computandus4: Quomodo de pertinacia et pravitate heretica debeat quis convinci5: Qui possunt pravitate heretica maculariManuscripts and early editionsPublications referred toIndex