The teachings of Igumen Theodosius to Prince Izyaslav cover significant aspects of Christian doct...

In this short volume, St. Albert the Great outlines and explores the meaning of human destiny. Hi...

In the history of Christianity, the first seven ecumenical councils include the following: the Fi...

Goscelin of Saint-Bertin composed this biography of St. Augustine in the 11th century, drawing up...

St. Ammonas, the Egyptian hermit and successor to St. Anthony the great, lays out his instruction...

On the Nature of Man is a work in the Hippocratic Corpus. On the Nature of Man is attributed to P...

The Armenian saint, Mesrop Mashtots, is perhaps one of the most esteemed churchman in Armenian hi...

Against Henry, King of the English, originally in Latin as Contra Henricum Regem Anglie, was a bo...

This is the first volume of the book of Armenian saints for the month of Navasard. Each entry con...

This volume is a collection of royal charters from the Merovingian king St. Dagobert II. It deals...

Epiphanius composes a short biography on the life, deeds, and death of the Virgin Mary, the most ...

St. Orsisius, successor to St. Pachomius, on the island monastery of Tabenna, elected to offer so...

Explanation of the Prayer of the Mass highlighting the importance of faith, fervor, and righteous...

The Defence of the Seven Sacraments (in Latin, Assertio Septem Sacramentorum) is a theological tr...

The Book of Joshua, also called the Samaritan Chronicle, is a Samaritan chronicle so called becau...

The Council of Seleucia-Ctesiphon was the Persian council of the Persian church. Convoked by King...

On First Principles is the most important surviving text written by third-century Church father, ...

This short volume, mistaken attributed to John Scotus Eriugena, is from a 1681 manuscript found a...

This work, by the 5th century Syriac father St. Jacob of Serug, expands on the tradition that St....

This is a collection of three books containing the correspondence of the Holy Roman Emperor Rudol...

Recognized as the most thorough pastoral treatise of the late Latin patristic era, this sixth-cen...

St. Gall of Ireland was allegedly one of the twelve companions of Columba on his mission from Ire...

St. Didymas the Blind is one of the most famous Coptic theologians of the early Church, while he ...

On the Trinity is a Latin book written by Augustine of Hippo to discuss the Trinity in context of...

The apostle Bartholomew is long remembered for the gruesome nature of his martyrdom. It is an ima...

St. Germain was the the 6th century bishop of Paris and is venerated as a saint in both the Catho...

The Lausiac History is a seminal work archiving the Desert Fathers of Egypt, written around the y...

The Handbook of the Christian Knight (Latin: Enchiridion militis Christiani), sometimes translate...

In this work, St. Albert looks to address some of the errors that he believes is being taught amo...

This famous bishop of Lyon, St. Eucherius, sought to counter some of the extremity of his own tim...

'Tis Pity She's a Whore (original spelling: 'Tis Pitty Shee's a Who[o]re) is a tragedy written by...

This is a relatively late account by the Syriac Patriarch of Antioch regarding the state of the c...

This second volume of the Book of Ethiopian Maccabees is shorter than the first. Moreover, it app...

This a collection of the councils of the Frankish & Visigothic realms that have surviving documen...

Here, in fragmentary form, is one of the surviving Georgian Synxarium of the medieval period. The...

This second council of the Persian church was of a far smaller scope than its predecessor ten yea...

This work is composed by the Pope is response to an ongoing dispute taking place with the bishopr...

The Proslogion (Latin Proslogium; English translation, Discourse on the Existence of God), writte...

Humility & Obedience

When England deprived Ireland of all rights to the soil and to universal livelihood, the Irish pe...

John Chrysostom, Archbishop of Constantinople, was an important Early Church Father. He is known ...

The text details a significant conversation between Eastern Roman Emperor and Count Paul regardin...

This work chronicles the history of the Armenian Kingdom of Cilicia, highlighting the contributio...

The Russian work is a blend of a fantastical account of a kingdom ruled by the mythical King Pres...

This Anglo-Latin work introduces a narrative about Saint Othmar, requested by the monks of Saint ...

The Statutes of Kilkenny, enacted in 1365 by the Irish Parliament under Lionel of Antwerp, Earl o...

This is a work that is fragmentary in the form that it survives. It is drawn upon a Georgian manu...

The two letters from the Patriarch of Constantinople to Cyprus raise alarm about the impact of La...