Letters & Sermons

This is an extensive collection of the documents that relate to the founding of the Order of St. ...

The constitutions of the Order of Preaching Brothers establish guidelines for unity and uniformit...

Discourse on the Holy Virgin

The Discourse in Honour of Saint Mary, the Perpetual Virgin, the God-Bearer in Very Truth, attrib...

On the Birth of the Word of God

In 484 AD, King Huneric of the Vandals summoned the Catholic bishops of Africa to Carthage to pro...

The most important single work produced by the Church Fathers on any of the prophetic writings of...

The Gospel of James, also known as the Infancy Gospel of James, the Book of James, and the Protoe...

The History of Armenia attributed to Movses Khorenatsi is an early account of Armenia, covering t...

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

Galen of Pergamon, was a prominent Roman physician, surgeon and philosopher. The most accomplishe...

Hippocrates of Cos II or Hippokrates of Kos (ca. 460 BC - ca. 370 BC) was an ancient Greek physic...

This is a sentinal work of St. Basil the Great's. The term Hexameron refers either to the genre o...

The Life of Sir Thomas More is a biography of the 16th century saint and English statesman best k...

This famous and much loved little treatise, On Cleaving to God, (De Adhaerendo Deo) has always be...

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

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

On the Sacred Disease is a work of the Hippocratic Corpus, written about 400 B.C. Its authorship ...

Thomas More - a public servant who from 1518 served on Henry VIII's Privy Council and later becam...

The Second Helvetic Confession (Latin: Confessio Helvetica posterior) was written by Heinrich Bul...

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

Ambrose became bishop of Milan in 374, when, as governor of the Italian province Aemilia et Ligur...

St. Ambrose: Bishop of Milan from 374 to 397; born probably 340, at Trier, Arles, or Lyons; died ...

De Spiritu Sancto. The three books on the Holy Spirit may be considered as a continuation of the ...

It is a history of the Byzantine emperors during the century leading up to Psellos' own time. It ...

St Patrick is a complex figure who continues to fascinate scholars and commentators as his yearly...

The Old English Boethius is an Old English translation adaptation of the sixth-century Consolatio...

A short genealogical volume on the history of the Irish clan known as Curtin, or MacCurtain, or M...

The Annals of the Kingdom of Ireland or the Annals of the Four Masters are chronicles of medieval...

The Song of Dermot and the Earl is an anonymous Anglo-Norman verse chronicle written in the early...

¿The Annals of the Kingdom of Ireland or the Annals of the Four Masters are chronicles of medieva...

This book presents the Hippocrates treatise of the epidemics, followed by an essay on historic ep...

The Mirror of Alchimy is a short alchemical manual, known in Latin as Speculum Alchemiae. Transla...

De Bello Africo is a Latin work continuing Julius Caesar's accounts of his campaigns, De Bello Ga...

In this valuable treatise, Hippocrates suggested to the traveling physicians to look into the sea...

The Sceptical Chymist: or Chymico-Physical Doubts & Paradoxes is the title of a book by Robert Bo...

Thomas More - a public servant who from 1518 served on Henry VIII's Privy Council and later becam...

Saint Augustine was a Latin philosopher and theologian from the Africa Province of the Roman Empi...

Tatian's 'Oratio ad Graecos' is an attempt to prove the worthlessness of paganism, and the reason...

The 'Vita Karoli Magni' is a biography of Charlemagne, King of the Franks and Holy Roman Emperor,...

I have also written a Book on Lying, which though it takes some pains to understand, contains muc...

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

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

The ways of alchemy within alchemical manuscripts themselves can be confusing and arcane. Here, i...

Cur Deus Homo? (Why God Man?) is a book written by Anselm of Canterbury in the period of 1094-109...

The Perpetual Virginity of Blessed Mary is an apologetic work of Saint Jerome. It is an answer to...

On the Trinity