Pierre d’Ailly (1350–1420), also known as Petrus de Alliaco, 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.
1472
❡ Meditationes circa psalmos poenitentiales
[Köln, Arnold Ther Hoernen, about 1472]
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1476
❡ Le Jardin amoureux
Brugge, Colard Mansion, [1476]
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1480
❡ 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]
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1481
❡ Tractatus et sermones
[Bruxelles, Fratres Vitae Communis, 1481-1483]
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1483
❡ Meditationes circa psalmos poenitentiales
[Paris], Antoine Caillaut, 16 September 1483
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❡ 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]
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❡ Tractatus exponibilium
[Paris, Antoine Caillaut, about 1483]
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1484
❡ Meditationes circa psalmos poenitentiales
[Paris, Louis Martineau, about 1484]
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1487
❡ De potestate Papae et auctoritate Cardinalium
[Paris, Guillaume Le Talleur, about 1487-1490]
In-4
❡ Thoofkijn van devotien
Antwerpen, Gerard Leeu, 28 November 1487
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1489
❡ Tractatus de arte obligandi
Paris, Georg Mittelhus,1489
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1490
❡ Concordantia astronomiae cum theologia
Augsburg, Erhard Ratdolt, 2 January 1490
In-4
❡ Destructiones modorum significandi. Conceptus et insolubilia
[Lyon, Johannes Trechsel, about 1490-1495]
In-2
❡ 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
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1493
❡ De impressionibus aeris. Super libros Meteororum Aristotelis
[Leipzig, Conrad Kachelofen, not after 1493]
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1494
❡ Tractatus exponibilium
Paris, Guy Marchant, 15 October 1494
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1495
❡ Conceptus et insolubilia
Paris, for Durand Gerlier, [about 1495]
In-4
1497
❡ Tractatus exponibilium
Paris, Antoine Caillaut, [about 1497]
In-4
1505
❡ Incipiunt deuote meditationes circa septem psalmos penitentiales per reuerendissimum in Christo patrem divinum Petrum de Ayliaco cardinalem cameracensi ad laudem dei edite
1505
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❡ Tractatus de anima editus a dño petro de Alliaco
(Col.: Tractatus breuis de anima et accidentibus eius … compilatus, et Parisius solertia caracteribusque Johannis Marchant … impressus impensis Johannis Petit … in vico sancti Jacobi sub Leone argenteo. Anuo domini. 1505. Die xxvii. Nouembris)
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1506
❡ Posteriora magistri de alliaco cum additi onibus magistri Roberti cenalis
[Paris] Venales reperisitur in via iacobi apud Oliuerium senant sub signo beate barbere [1506]
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1525
❡ De emendatione ecclesiae libellvs, a reverendissimo Petro de Aliaco cardinali cameracensi, patribus olim oblatus in concilio Constantiensi congretatis, quod christianissimus princeps Sigismundus Augustus conuocarat, non tam ob ecclesiae concordim, quàm conmunis morum emenationis spe. Quae quo minus processerit per hunc non stetit, sed per ecclesiasticos, Germanicae simplicitati imponente Romana astutia
[Basel, Valentin Curio, about 1525]
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1539
❡ Vita beatissimi patris D. Petri Caelestini Qvinti, pontificis maximi, ordinis caelestinorum institutoris eximii, qui summo tandem pontificatui renunciauit. Conscripta primùm à doctißimo theologo, cardinale cameracensi imprimis reuerendo domino Petro ab Aliaco, Nauarrici gymnasij quondam archididascalo, necnon Caroli quiti caelestinorum Parisiensium fundatoris confessario dignißimo. Postremò autem locupletata & limatiori stylo donata, à religioso fratre Dionysio Fabro, caelestinorum eorundem priore meritißimo
Parisiis, apud Franciscum Stephanum. 1553
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1548
❡ Petri de Alliaco cardinalis cameracensis Meditationes in septem psalmos poenitentiales. Et in psalmos 30. & 42.
Lutetiae per Nicolaum. Diuitem, uia sacerdotum, ad diuae Genoueses, sub insigni geminae anchorae. Et iuxta collegium Cameracense, at insigne Aldi. M. D. XLVIII. (1648)
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