The Author:Richard of Saint-Victor (died March 1173, Paris), was a Roman Catholic theologian whose treatises profoundly influenced medieval and modern mysticism.The Editor:Ruben Angelici is a Graduate of the University of Manchester. He holds degrees and expertise in theology, philosophy, biology, and music. He has been a sessional lecturer in dogmatic and historical theology at Nazarene Theological College, University of Manchester.

Ruben Angelici has used the Sources chrétiennes Latin text of G. Salet, and has provided an extensive introduction and commentary. [...] He has endeavoured to offer 'as literal a translation... as possible, without appearing pedantic.' An English translation has long been needed and the present version is welcome for that reason.

• AcknowledgementsAbbreviationsPART ONE: Introduction and CommentaryThe Twelfth Century Milieu and the Victorine SchoolThe Need for a Modern, English Translation of Richardof Saint Victor's De TrinitateThe State of the Question: General Overview of the History of Trinitarian ThoughtRichard of Saint Victor: Faith, Reason, and the Analysis of the Problem of Knowledge in De TrinitateDe Trinitate: De Deo UnoDe Trinitate: De Deo TrinoConcluding RemarksPART TWO: On the TrinityPrologueSynopsis of the Topics of the First BookBook I Synopsis of the Topics of the Second BookBook II Synopsis of the Topics of the Third BookBook IIISynopsis of the Topics of the Fourth BookBook IVSynopsis of the Topics of the Fifth BookBook VSynopsis of the Topics of the Sixth BookBook VIBibliographyScripture IndexAuthor Index

The Author:Richard of Saint-Victor (died March 1173, Paris), was a Roman Catholic theologian whose treatises profoundly influenced medieval and modern mysticism.The Editor:Ruben Angelici is a Graduate of the University of Manchester. He holds degrees and expertise in theology, philosophy, biology, and music. He has been a sessional lecturer in dogmatic and historical theology at Nazarene Theological College, University of Manchester.

Ruben Angelici has used the Sources chrétiennes Latin text of G. Salet, and has provided an extensive introduction and commentary. [...] He has endeavoured to offer 'as literal a translation... as possible, without appearing pedantic.' An English translation has long been needed and the present version is welcome for that reason.

• AcknowledgementsAbbreviationsPART ONE: Introduction and CommentaryThe Twelfth Century Milieu and the Victorine SchoolThe Need for a Modern, English Translation of Richardof Saint Victor's De TrinitateThe State of the Question: General Overview of the History of Trinitarian ThoughtRichard of Saint Victor: Faith, Reason, and the Analysis of the Problem of Knowledge in De TrinitateDe Trinitate: De Deo UnoDe Trinitate: De Deo TrinoConcluding RemarksPART TWO: On the TrinityPrologueSynopsis of the Topics of the First BookBook I Synopsis of the Topics of the Second BookBook II Synopsis of the Topics of the Third BookBook IIISynopsis of the Topics of the Fourth BookBook IVSynopsis of the Topics of the Fifth BookBook VSynopsis of the Topics of the Sixth BookBook VIBibliographyScripture IndexAuthor Index