Warner, George F., Catalogue of western manuscripts in the old Royal and King's collections. Volume I: Royal MSS. 1 A. I to 11 E. XI, 1921

Courtenay, William, "Theological Bachelors at Paris on the Eve of the Papal Schism. The Academic Environment of Peter of Candia," in Philosophy and Theology in the Long Middle Ages: A Tribute to Stephen F. Brown, (, 2011),

Marcolino, Venicio, "Zum Abhängigkeitsverhältnis der Sentenzenkommentare der Augustinertheologen Petrus Gracilis († n. 1393) und Iohannes von Basel († 1392)," Analecta Augustiniana, (2008),

Slotemaker, John, "Henry of Gorkum’s Conclusiones super IV Libros Sententiarum: Studying the Lombard in the First Decades of the Fifteenth Century," in Mediaeval Commentaries on the Sentences of Peter Lombard: Volume III, (, 2015),

Zumkeller, Adolar, Theology and History of the Augustinian School in the Middle Ages, 1996