The Letter of the Roman Church to the Corinthian Church from the Era of Domitian: 1 Clement: With a Collection of Articles on 1 Clement by Adolf von Harnack

The Expansion of Christianity in the First Three Centuries, 2 Volumes

History of Dogma, Volume 1

History of Dogma, Volume 2

History of Dogma, Volume 3

History of Dogma, Volume 4

History of Dogma, Volume 6

History of Dogma, Volume 4

History of Dogma, Volume 1

History of Dogma, Volume 7

History of Dogma, Volume 6

History of Dogma, Volume 3

History of Dogma, Volume 2

History of Dogma, Volume 7

Bible Reading in the Early Church

Outlines of the History of Dogma

The Apostles' Creed

The Letter from Rome to Corinth from the Era of Domitian: 1 Clement

Sources of the Apostolic Canon: with a Treatise on the Origin of the Readership and Other Lower Orders