, The Templar Order, p.206

A. J. See and . Forey, The Fall of the Templars in the Crown of Aragon, « Journal of Ecclesiastical History, vol.53, pp.18-37, 2001.

. Id, Templars after the Trial. Further Evidence, « Revue Mabillon, vol.23, pp.89-110, 2012.

D. Carraz and L. 'ordre-du-temple-dans-la-basse-vallée-du-rhône, Ordres militaires, croisades et sociétés méridionales, pp.531-533, 2005.

, The Templar Order, BELLOMO, pp.202-206

, DEMURGER, La persécution des templiers, pp.274-277

C. Vogel, Templar Runaways and Renegades Before, During and After the Trial, The Debate on the Trial of the Templars, pp.317-326

F. Tommasi-;-k, K. Borchardt, P. Döring, H. J. Josserand, and . Nicholson, Templari in Italia dopo il Concilio di Vienne e il destino di Pietro da Bologna, 2017.

L. , Regestum Clementis papae quinti, Rome 1885-1892, n. 8784), the name of Olivier de Penne was added to those of six dignitaries already mentioned in the letter Prodierunt ex affluentia, Papsttum und Untergang, vol.90, pp.188-201, 1309.