^Peter R. McKeon'The Status of the University of Paris as Parens scientiarum: An Episode in the Development of its Autonomy,' Speculum 39.4 (Oct. 1964): 651-675; Andrew G. Traver, 'Rewriting History?: The Parisian Secular Masters' Apologia of 1254,' History of Universities 15 (1997-9): 9-45.