A definitive scholarly work that carefully outlines the developments of the early Church up until the seventh century.

The standard textbook on the classic doctrines established in the first five centuries of the Church.

Excellent resource describing the earliest fathers, their writings and theology.

Excellent resource.

A helpful study of how the Byzantine emperors strove to maintain unity despite the Monophysite schism after Chalcedon.

A fresh analysis of the democratic nature of the early ecumenical councils.

Origen's commentary on Romans was the most important one to appear before the Pelagian controversy, with the possible work of Ambrosiaster (Pseudo-Ambrose). This work details Pelagius's and Augustine's use of this valuable work and how it was incorported into the medieval tradition, rejected by the Protestant Reformers and discussed at the Council of Trent.

Pelikan demonstrates that the Cappodocians, and Basil in particular, used Greek thought, but were not overcome by it as they theologized.

A very readable biography of the greatest preacher and doctor of the Eastern Church.

A scholarly and deeply moving biography of the greatest of the western fathers.

This is a careful discussion of how the greatest western doctor was received by the Eastern Orthodox Church.

John of Damascus stands near the end of the conciliar age and encapsulates the orthodox consensus in his works.

McGrath begins his discussion of justification in earnest with St. Augustine, but it is well worth reading.

Oden introduces the Vincentian Canon and its call for universality, antiquity and consent as well as a reinvigoration of modern theology vis a vis the teachings of the ancient church.

This work contains all the early councils of the undivided Catholic church as well as the later councils of the Roman Catholic Church.

Part II of II of Schaff's famous "The Creeds of Christendom."