Some historians argue that he began his teaching career in theology at Oxford in this year, whereas others have more recently argued that he used the income of his ecclesiastical post to support studies in theology at the University of Paris.
Mõned ajaloolased väidavad, et ta alustas oma teoloogia õpetamise karjääri Oxfordis sel aastal, samas kui teised on hiljuti väitnud, et ta kasutas palka teoloogia õpinguteks Pariisi ülikoolis.