Bernardus Guidonis (Gui) 

Biography

• Born in the Diocese of Limoges.
• 1279: Order of Preachers
• 1294-1297: Prior in Albi.
• 1301: Prior of Carcassonne.
• Until 1305: Prior in Castres and Limoges.
• 1306: Inquisitor for 18 years and Procurator of the Order in Rome.
• 1317: Sent to Italy and France by John XXII.
• 1324: Bishop of Tuy and in the same year Bishop of Lodève.
• Death: 29. December 1331.

Activities as Canonist

• Tractatus de tempore celebrationis generalium et provincialium conciliorum
• Practica officii inquisitorum
• Liber sententiarum

Editions and Sources

• MOLLAT G.: Manuel de l’inquisiteur, Les Classiques de l’histoire de France au Moyen Age, 2.Vol., Paris 1926-1927, reprinted 1964.
• Bernard Gui on the Albigensians, Medieval Sourcebook (Fordham University).
• THÉRY, Julien: Le livre des sentences de l’inquisiteur Bernard Gui, Lire le Moyen Âge, CNRS edition, Paris 2010.

Introductory Secondary Literature

• see: Bio-Bibliographical Guide to Medieval and Early Modern Jurists.
• SCHULTE, Johann Friedrich von: Die Geschichte der Quellen und Literatur des Canonischen Rechts. Von Papst Gregor IX. bis zum Concil von Trient, Ferdinand Enke, Stuttgart 1877, pp.202-203.
• see also: Wikipedia.