This two volume set provides articles on individuals, doctrines, heresies, etc. up to the seventh century A.D. such as Augustine, Gregory of Nazianzus, Gregory of Nyssa, Ignatius of Antioch, Jerome, Origen, Tertullian, etc. Some of the articles contain images.

This encyclopedia focuses only on one Church Father, Augustine, and his influence on the Catholic Church

The handbook covers Patristic theology until the 9th century.

This handbook focuses on the life of Origen, his writings, and his influence on the Catholic Church.

This dictionary focuses on Christianity from the first to the sixth century and includes entries such as Athanasius of Alexandria, Augustine of Hippo, Basil of Caesarea, Eusebius of Caesarea, Gregory of Nazianzus, Gregory of Nyssa, Hilary of Poitiers, Ignatius of Antioch, Irenaeus of Lyons, Origen, Origenist Controversies, and Tertullian.

This four volume set contains biographies, sects, doctrines of the first eight Christian centuries.

This one volume dictionary is an abridgment of the four volume set mentioned above. The one volume covers the first six Christian centuries and omits some of the minor articles found in the four volume set.

The book contains Christian concepts, topics, and comments from individuals such as Origen, Clement of Alexandria, and Clement of Rome. Biblical verses associated with a topic are provided as well.

The Dictionary of Early Christian Literature is the English translation of the first German edition, Lexicon der Antiken Christlichen Literature. The dictionary consists of numerous articles on early Christian authors which contain a brief description of their lives and a presentation of their works.