Dr. Vaughan’s Life of Thomas Aquinas; Histoire de la Vie et des Écrits de St. Thomas d’Aquin, par l’Abbé Bareille; Lacordaire’s Life of Saint Dominic; Dr. Hampden’s Life of Thomas Aquinas; article on Thomas Aquinas, in London Quarterly, July, 1881; Summa Theologica; Neander, Milman, Fleury, Dupin, and Ecclesiastical Histories generally; Biographie Universelle; Werner’s Leben des Heiligen Thomas von Aquino; Trench’s Lectures on Mediæval History; Ueberweg & Rousselot’s History of Philosophy. Dr. Hampden’s article, in the Encyclopædia Metropolitana, on Thomas Aquinas and the Scholastic Philosophy, is regarded by Hallam as the ablest view of this subject which has appeared in English.