Translations

The 'Ad Armenium Epistola De Ratione Fidei' is a Latin letter attributed to Agnellus, bishop of Ravenna (mid-6th century), addressed to an Armenian recipient, likely a b…

The Ad Sigebertum Regem Epistola Concilii Parisiensis, attributed to John III, is a Latin letter purportedly from a council of Paris to King Sigebert I of the Franks (r.…

The Appendix ad Epistolas Felicis IV is a supplementary compilation of letters attributed to Pope Felix IV (reigned 526–530), assembled to augment his canonical decretal…

The Epistola ad Orientales Episcopos, attributed to Marcellinus, is a formal Latin letter addressed to Eastern bishops, likely composed during the post-Nicene Arian cont…

The Epistola ad Salomonem Episcopum, attributed to Pope Marcellinus, is a Latin letter surviving in a single 11th-century German manuscript tradition. It is addressed to…

The letters attributed to SS Marcellinus survive only in later medieval copies and are included as an appendix in a modern edition based on a single source. Their tradit…

The 'Epistolae — SS Eusebius' is a collection of letters attributed to Eusebius, likely of Vercelli (d. 371), a prominent Nicene bishop. Surviving only in later medieval…

The letters attributed to Pope Miltiades (also Melchiades, r. 311–314) survive only in the Pseudo-Isidorian decretals, a ninth-century collection of forgeries. Their aut…

This appendix, titled 'Notitia Epistolarum non exstantium, quae ad Innocentium attinent,' is a register of letters addressed to Pope Innocent I (reigned 401–417) that ar…

Augustine's Contra Epistulam Parmeniani (c. 400 CE) is a polemical letter responding to the Donatist bishop Parmenian. Written during the Donatist controversy, it defend…

De Epistolis Deperditis is a collection of lost letters attributed to Pope Leo I (r. 440–461), preserved only in later manuscript copies. The letters address ecclesiasti…

This dossier covers the four letters of Augustine on heresies (De Haeresibus) transmitted with Quodvultdeus's Admonitio, a prefatory note. The letters, dating from the l…

The Decreta Ex Epistolis Excerpta attributed to Pope Boniface I (418–422) is a collection of papal rulings excerpted from his letters, compiled for use in canon law. The…

The Decreta Ex Epistolis Excerpta attributed to Pope Innocent I (r. 401–417) is a set of decretal excerpts preserved only in canonical collections, not as an independent…

The 'Epistola De Decem Virginibus' is a letter attributed to Caesarius of Arles (c. 502–542) that addresses the conduct of consecrated virgins, using the allegory of the…

The Epistola 'De Discrictione Monachorum Et Ruina Monasteriorum' is a Latin letter attributed to a bishop named Eutropius, addressing monastic discipline and the decline…

The Epistola 'De Obitu Sancti Paulini' [Ex Surio] is a Latin letter attributed to a certain Urbanus Presbyter, purporting to report the death of Paulinus of Nola (d. 431…

The 'Epistola De Octo Vitiis' is a Latin letter by Eutropius, bishop of Valencia (fl. c. 580–610), likely written between 590 and 600. It addresses the eight principal v…

Dionysius Exiguus's letter 'De Ratione Paschae' (ca. 525 CE) explains his paschal computation, which introduced the Anno Domini era by replacing the Diocletian era with…

The Epistola 01 ad Athanasium Episcopum, attributed to Pope Liberius (352–366), is a Latin letter traditionally dated to the mid-4th century. It presents a personal conf…

The Epistola 02 Rescriptum Athanasii ad Liberium Papam is a Latin letter purportedly written by Athanasius of Alexandria to Pope Liberius, defending his orthodoxy and se…

This letter, attributed to Pope Liberius (352–366), addresses all bishops in a formal ecclesiastical tone, likely concerning disciplinary or doctrinal matters during the…

The Epistola 04 Athanasii et Aegyptorum Episcoporum ad Liberum Papam is a Latin translation of a lost Greek letter from Athanasius and Egyptian bishops to Pope Liberius…

Pope Liberius's letter to Athanasius and the Egyptian bishops (Epistola 05 ad Athanasium et Episcopos Aegyptios Responsoria) is a Latin response affirming his support af…

The Epistola ad Arbogastem Comitem Trevirorum is a verse letter of 45 lines written by Auspicius, bishop of Toul, to Arbogast, count of Trier, in the late 5th century. I…

The Epistola Ad Argebatum Episcopum Portugalensem is a Latin letter from Maximus, bishop of Caesaraugusta (Zaragoza), to Bishop Argebadus of Portugal, likely a suffragan…

The Epistola Ad Arnulphum is a letter from Chlotar II, king of the Franks, to Bishop Arnulf of Metz, dating to the early 7th century (likely 613–629). It exemplifies the…

The Epistola Ad Brunichildem Reginam is a letter from Germanus, Bishop of Paris (c. 540–576), to Queen Brunhild of Austrasia, addressing ecclesiastical discipline and ro…

The Epistola Ad Chidebertum Francorum Regem is a letter from Leo, bishop of Sens, to a Frankish king named Childebert, addressing ecclesiastical discipline and the autho…

The Epistola Ad Cives Duos is a Latin letter attributed to Eugenius, bishop of Carthage (c. 480–505), addressed to two unnamed lay citizens. Its occasion and purpose are…

The Epistola Ad Constantinum [Incertus] is a Latin letter attributed to Jerome but widely regarded as spurious. Surviving only in medieval manuscript copies, it lacks an…

The Epistola ad Cyprianum Papam, attributed to the Roman presbyter Novatian, is a Latin letter written c. 251–253 in the name of the Roman clergy to Cyprian, bishop of C…

The Epistola Ad David Episcopum, attributed to Pope Benedict I (r. 575–579), is a Latin letter addressed to a Bishop David, likely a Welsh or British prelate. It survive…

The Epistola ad Desiderium de duodecim doctoribus is a prefatory letter by Jerome to Desiderius, introducing his Latin translations of twelve homilies, likely by Origen.…

Licinianus, bishop of Carthage, writes to the deacon Epiphanius in a pastoral letter that addresses a theological controversy over the term 'spiritus'. The opponent deni…

The Epistola Ad Episcopos Germaniae Et Galliae, attributed to Pope John III (561–574), is a Latin letter addressing episcopal authority and the role of chorepiscopi. It…

The Epistola ad Felicem Episcopum, attributed to Pope Caius (3rd c.), is a Latin letter of uncertain date, surviving only in a single manuscript tradition with no early…

The Epistola ad Galliae Atque Hispaniae Episcopos, attributed to Pope Lucius I (253–254), is a Pseudo-Isidorian forgery composed in the 9th century. It survives only in…

The Epistola Ad Gordianum Hispaliensem Episcopum, attributed to Pope Adeodatus I (reigned 615–618), is a Latin letter addressed to Bishop Gordian of Seville. It survives…

The Epistola Ad Gregorium Papam is a Latin letter from Licinianus, bishop of Carthage, to Pope Gregory I, likely composed between 595 and 600. It survives only in a sing…

The Epistola ad Jovianum is a Latin letter attributed to Cyprian of Carthage, addressed to Bishop Jovian during the rebaptism controversy (c. 254–256 CE). It survives in…

The Epistola Ad Justinianum Imperatorem is a Latin letter attributed to Pontianus, an African bishop, addressed to Emperor Justinian I (r. 527–565). Written during the T…

The Epistola Ad Leonem Papam, attributed to Proterius of Alexandria (patriarch 451–457), is a letter to Pope Leo I concerning the dating of Easter. It survives only in a…

The Epistola ad Macedonium is a prefatory letter by the early 5th-century Christian poet Sedulius, addressed to an otherwise unknown Macedonius. It introduces Sedulius'…

The Epistola ad Omnem Ecclesiam, attributed to Lucianus Presbyter of Caphargamala, is a Latin letter recounting the miraculous revelation of the relics of Saint Stephen…

The Epistola Ad Omnes Episcopos, attributed to Aurelius, bishop of Carthage (391/392–430), is a Latin letter of episcopal instruction, likely dating to the late 4th or e…

Avitus, a presbyter in Braga (modern Portugal), addresses this letter to Bishop Palchonius as a prefatory cover for his Latin translation of Lucian’s Greek account of th…

The Epistola ad Presbyteros, Diaconos et Popolum Alexandriae, attributed to Pope Julius I (337–352), is a Latin letter defending Athanasius of Alexandria during the Aria…

The Epistola Ad Quosdam Germanos is a Latin letter attributed to Caesarius, bishop of Arles (502–542), addressed to unspecified Germans. Its date is uncertain, but it li…

The Epistola Ad Recaredum Regem is a Latin letter addressed to King Reccared I of the Visigoths (r. 586–601), attributed to an otherwise unknown author, Tarra Monachus.…

The Epistola Ad Sanctum Augustinum Post Librum De Gratia Et Libero Arbitrio is a letter from Valentinus, abbot of Hadrumetum, to Augustine of Hippo, responding to August…

The Epistola Ad Sanctum Nicetium is a Latin letter from Florianus, abbot of a Roman monastery, to Nicetius, likely a bishop or abbot. The work belongs to early medieval…

The Epistola Ad Sanctum Remigium Rhemorum Antistitem Missa is an anonymous Latin letter purporting to be from the late 5th century but likely composed in the Carolingian…

The Epistola Ad Senarium Virum Illustrem, attributed to John the Deacon (Joannis Diaconus), is a Latin letter addressed to a high-ranking layman, Senarius, concerning th…

The Epistola Ad Sergium Papam, attributed to Justus of Urgell, is a Latin letter purportedly addressed to Pope Sergius I (r. 687–701). The attribution is chronologically…

Aurelianus, bishop of Arles (c. 546–551), wrote this letter to King Theodebert (Theudebert I) of Austrasia, likely during his episcopate. The text survives only in the C…

The Epistola Ad Theodorum Papam, attributed to Victor, bishop of Carthage, is a Latin letter addressing Pope Theodore on matters of African church discipline and the aut…

Augustine's letter to Count Valerius of Hippo addresses the case of a man who married after taking a vow of continence, arguing that such vows are binding. Dated to arou…

Licinianus, bishop of Carthage (c. 580–602), writes to Vincentius, bishop of the island of Ebosa (modern Ibiza), addressing a disciplinary or doctrinal matter. The lette…

The Epistola Ad Virgines Monasterii Sanctae Mariae is a Latin letter attributed to Joannes Arelatensis (John of Arles), addressing the nuns of the monastery of St. Mary,…

The Epistola Anastasii Romanae Urbis Episcopi Ad Joannem Hierosolymorum Episcopum is a Latin letter attributed to Pope Anastasius I (399–401) and addressed to John II of…

The Epistola Anastasii Romae Urbis Episcopi Ad Joannem Episcopum Jerosolymorum is a letter from Pope Anastasius I (399–401) to John II, bishop of Jerusalem (387–417), co…

The Epistola Consolatoria Ad Arcadium is a Latin consolatory letter attributed to Antoninus Honoratus, a bishop of uncertain see, and addressed to Arcadius, likely the E…

The Epistola Constantini Ad Porphyrium is a Latin letter attributed to Emperor Constantine, preserved solely as a preface to Optatianus Porphyrius' collection of panegyr…

The Epistola De Fide Ad Beatum Hieronymum is a pseudepigraphal Latin letter attributed to Ambrose of Milan but almost certainly not by him. It addresses Jerome on matter…

The Epistola Dionysii Alexandrini episcopi ad Stephanum papam fragmentum is a Latin translation of a lost Greek letter from Dionysius, bishop of Alexandria (c. 248–265),…

The Epistola Episcoporum Africae De Leporii Libello is a formal letter from African bishops, likely composed around 418–420, accompanying the doctrinal retraction (libel…

The Epistola et Decreta of Pope Boniface II (r. 530–532) is a Latin letter confirming the canons of the Synod of Orange (529), which condemned semi-Pelagianism. Written…

The Epistola et Decreta Dubia attributed to Pope Eutychianus (275–283) is a Latin letter of uncertain date, likely composed in the 5th or 6th century. It survives only i…

Facundus of Hermiane's Epistola Fidei Catholicae In Difensione Trium Capitulorum is a Latin letter defending the Three Chapters—Theodore of Mopsuestia, Theodoret of Cyrr…

The Epistola I 'Adversus Sabellianos' is a fragmentary Latin letter traditionally attributed to Dionysius of Alexandria (d. 264/5). Surviving only in a ninth-century man…

The Epistola I Ad Himerium Episcopum is a letter from Pope Siricius (bishop of Rome, 384–399) to Himerius, bishop of Tarragona, responding to disciplinary queries. It is…

This letter, attributed to Pope Boniface II (r. 530–532), is addressed to Eulalius, bishop of Alexandria, and concerns the aftermath of the Acacian schism, a division be…

Pope Siricius (384–399) writes to Bishop Anysius of Thessalonica, reaffirming the latter's authority over episcopal ordinations in Illyricum. The letter, known only thro…

The Epistola Juli Episcopi Romani ad Dionysium Alexandrinum Episcopum is a Latin letter attributed to Pope Julius I (337–352) and addressed to Dionysius, bishop of Alexa…

The Epistola Orientalium ad SS Julium I Papam is a Latin letter traditionally attributed to the mid-4th century, during the episcopate of Pope Julius I (337–352). It pur…

Eucherius of Lyon's Epistola Paraenetica Ad Valerianum Cognatum is a Latin exhortatory letter from the 5th century, addressed to a kinsman, blending ascetic advice with…

The Epistola Per Universas Provincias, attributed to Pope Hormisdas (r. 514–523), is a Latin letter aimed at unifying the Eastern and Western churches after the Acacian…

The Epistola Porphyrii ad Constantinum is a Latin letter traditionally attributed to Optatianus Porphyrius, a poet of the early fourth century, and addressed to the empe…

The Epistola Sancti Zosimo Papae Attributa is a Latin letter attributed to Pope Zosimus (417–418) but widely regarded as a 9th-century forgery. It survives only within c…

The Epistola Synodi Sardiniacensis ad SS Julium I Papam is a Latin translation of a lost Greek letter sent by the Synod of Sardica (343 CE) to Pope Julius I during the A…

The Epistola Synodi Sardiniacensis ad SS Julium I Papam is a fragmentary Latin letter from the Synod of Sardica (343 CE) to Pope Julius I, preserved only in the works of…

Siricius, bishop of Rome (384–399), writes to the bishops of Africa asserting Roman primacy in disciplinary matters, particularly clerical celibacy and the treatment of…

The Epistola Valentis et Ursacii ad Julium Papam is a letter from the Arian bishops Valens and Ursacius to Pope Julius I, likely composed around 347 CE in the aftermath…

Epistola VI Ad Diversos Episcopos is a decretal letter attributed to Pope Siricius (r. 384–399), addressed to multiple bishops on disciplinary matters. The letter assert…

Epistola VII Ad Diversos Episcopos Missa Adversus Jovinianum Haereticum is a Latin letter attributed to Pope Siricius (r. 384–399), addressed to multiple bishops and con…

Pope Siricius (384–399) wrote this letter to Anysius of Thessalonica and other Illyrian bishops, likely in the late 380s, when papal authority in Illyricum was contested…

The Epistola X Seu Canones Synodi Romanorum Ad Gallos Episcopos is a decretal letter attributed to Pope Siricius (384–399), dated to 385–386 CE. It responds to queries f…

Claudianus Mamertus, a priest of Vienne in late 5th-century Gaul, wrote a series of letters blending Neoplatonic philosophy with scriptural exegesis. The letters, addres…

The Epistolae of Viventulus Lugdunensis Episcopus is a Latin letter from the late 5th to early 6th century, attributed to Viventulus, bishop of Lyon. It survives in a si…

This letter by Mappinus, archbishop of Reims (1096–1115), is an administrative-epistolary communication within the context of the Gregorian reform. Addressed to a suffra…

The Epistolae of Lupus Trecensis Episcopus (Lupus of Troyes, d. 479) is a collection of Latin letters from the late 5th century, reflecting the ecclesiastical and social…

The Epistolae of Taio, bishop of Zaragoza (ca. 651–683), are a collection of letters composed in the 660s during the Visigothic period under King Recceswinth. They survi…

The Epistolae of Montanus, bishop of Toledo (c. 523–531), is a Latin letter dated to 527 AD in the Migne edition. It survives in a single medieval manuscript tradition,…

The letter attributed to Pope John I (523–526) addresses the Acacian schism and asserts papal primacy. Dating to ca. 524, it survives in a single early medieval manuscri…

The Epistolae of John IV are letters from Pope John IV (reigned 640–642) addressing doctrinal and disciplinary matters, notably the condemnation of Monothelitism and the…

The letter of Capreolus, bishop of Carthage (c. 430–437), addresses the Council of Ephesus (431) and explains why Augustine of Hippo could not attend due to his death in…

The letter of Sisebutus, Visigothic king of Hispania and Septimania (612–621), is a royal-episcopal correspondence preserved in later medieval manuscript copies. It refl…

The letters of Pope Damasus I (c. 305–384) survive mainly in canonical and epigraphic collections, not as a unified corpus. They mix papal decrees, doctrinal expositions…

The Epistolae attributed to Hilary of Poitiers (c. 315–367) are a collection of Latin letters central to the Arian controversy. They survive in medieval manuscripts, oft…