Christopher J. Malloy, Objections to the Summa's Structure
Joseph G. Trabbic, Is the Summa Structurally Flawed?

One may read criticisms of the Summa that it is too rationalistic in its theology; I recall reading this objection from Orthodox apologists as well. The Summa presupposes the Creed; could there be a scientific exposition of the Trinity without a exposition of the unity of God?