Thierri

, or Theodoric Gregory XL Urban VI. &c. attended John XXIIL to the council of Constance, as writer of the Apostolical Letters, and abhreviator; but after that pontiff’s flight, wrote a very violent invective against him, and died about 1417, leaving the following works: “A History of the Schism,” which is very curious, and ends in 1410, Norernberg, 1592, fol.; a book concerning “The Privileges and Rights of the Emperors in the Investitures of Bishops,” printed in “Schardii Syntagma de Imperiali Jurisdictione,” Argent. 1609, fol.; “A History of John XXIII.” Francfort, 1620, 4to; and “A Journal of the Council of Constance.” This fcuthor’s style in Latin is dry and unpleasant, but very | forcible, and his narrations are accurate and faithful. Some attribute to him the treatise “On the necessity of Reformation in the Church, both with respect to its head and its members,” which others give to Peter d'Ailli. ¹