Adolf Harnack - Wikipedia
Article on the theologian, historian and essayist who was one of the major contributors to the theories of the social gospel movement.
Adolf von Harnack
A biography of Adolf von Harnack from the Dictionary of Modern Western Theology.
Harnack, Adolf: Outlines of the History of Dogma
Evangelical criticism of Harnack's views regarding the Gospel of John and the Trinity.
Marcion
An excerpt from Adolf von Harnack's, "History of Dogma."