Pierre d’Ailly (1350–1420), a French theologian and cardinal, was a key figure in addressing the Great Schism in the Church. Born in Compiègne, he studied at the Collège de Navarre in Paris, earning a master’s degree in 1368. D’Ailly became involved in university and church affairs early, serving as rector of the University of Paris in 1384 and later as chancellor. His ecclesiastical career advanced rapidly, becoming Bishop of Le Puy in 1395 and Bishop of Cambrai in 1397. D’Ailly played a significant role in the Council of Pisa (1409) and the Council of Constance (1414–1418), contributing to efforts to resolve the Schism. He also wrote extensively on astrology, attempting to balance divine omniscience and human free will. His work Imago Mundi (1410), a cosmographical treatise, influenced Christopher Columbus and placed his views on the Schism within an apocalyptic context. D’Ailly died in Avignon in 1420.
Conceptus et insolubilia. Paris, for Durand Gerlier, [about 1495] ➤
Concordantia astronomiae cum theologia. Augsburg, Erhard Ratdolt, 2 January 1490 ➤
De emendatione ecclesiae. [Basel, Valentin Curio, about 1525] ➤
De impressionibus aeris. Super libros Meteororum Aristotelis. [Leipzig, Conrad Kachelofen, not after 1493] ➤
De potestate Papae et auctoritate Cardinalium. [Paris, Guillaume Le Talleur, about 1487-1490] ➤
Destructiones modorum significandi. Conceptus et insolubilia. [Lyon, Johannes Trechsel, about 1490-1495] ➤
Devote meditationes circa septem psalmos penitentiales. 1505 ➤
Imago mundi et tractatus alii. Trigilogium astrologiae theologizatae; contra superstitiosam dierum observantiam; contra superstitionem sculpturae leonis (adversus doctrinam cujusdam medici in Montepessulano); de observatione dierum quantum ad opera. [Louvain, Johannes de Westfalia, about 1480-1482] ➤
Le Jardin amoureux. Brugge, Colard Mansion, [1476] ➤
Meditationes circa psalmos poenitentiales. [Paris], Antoine Caillaut, 16 September 1483 ➤
Meditationes circa psalmos poenitentiales. [Köln, Arnold Ther Hoernen, about 1472] ➤
Meditationes circa psalmos poenitentiales. [Paris, Louis Martineau, about 1484] ➤
Meditationes in septem psalmos poenitentiales. Et in psalmos 30 et 41. Paris, Nicolas Le Riche, 1548 ➤
Posteriora. Paris, Olivier Senant, 1506 ➤
Quaestiones super libros Sententiarum Petri Lombardi. Recommendatio S. Scripturae; Principium in cursum Bibliae; Quaestio in suis vesperiis; Quaestio de resumpta. [Paris, Antoine Caillaut, about 1483] ➤
Quaestiones super libros Sententiarum Petri Lombardi. Recommendatio S. Scripturae; Principium in cursum Bibliae; Quaestio in suis vesperiis; Quaestio de resumpta. Strasbourg, [Printer of the 1483 Jordanus de Quedlinburg, [=Georg Husner]], 15 April 1490 ➤
Thoofkijn van devotien. Antwerpen, Gerard Leeu, 28 November 1487. ➤
Tractatus de anima. [Paris], impressus Jean Marchant impensis Jean Petit, 1505 ➤
Tractatus de arte obligandi. Paris, Georg Mittelhus,1489 ➤
Tractatus et sermones. [Bruxelles, Fratres Vitae Communis, 1481-1483] ➤
Tractatus exponibilium. [Paris, Antoine Caillaut, about 1483] ➤
Tractatus exponibilium. Paris, Guy Marchant, 15 October 1494 ➤
Tractatus exponibilium. Paris, Antoine Caillaut, [about 1497] ➤
Vita beatissimi patris domini Petri Caelestini quinti, pontificis Maximi. Paris, apud François Estienne, 1539 ➤