In the second volume Harnack treats of the development primarily of the Christological and trinitarian dogma, from the fourth to the seventh centuries.
"Edward Caldwell Moore Outline of the History of Christian Thought Since Kant"
Edward Moore
4. It presupposes the post-Athanasian Trinitarian and Christological controversies.
"Historical Introductions to the Symbolical Books of the Evangelical Lutheran Church"
Friedrich Bente
While Basil and Eustathius were preparing the victory of asceticism in the next generation, Apollinarius had already essayed the Christological problem of Ephesus and Chalcedon; and Apollinarius was no common thinker.
"The Arian Controversy"
H. M. Gwatkin