 In addition, he was a profound Semitic scholar, with a special predilection for Syriac.On the death of Bishop John England in 1842 he was recalled to Charleston, where he taught in the seminary, doing parochial work in the meantime, and in conjunction with Dr. Lynch edited the "United States Catholic Miscellany".His position as a Catholic editor involved him in many controversies, one being on the life and teachings of Martin Luther, for which Corcoran procured from Europe an abundance of Lutherana.