Grace: Commentary on the Theological Summa of St. Thomas, Ia IIae, q. 109-114
Commentary on the Summa theologiae I-II, qq. 109-114: the necessity of grace, its essence, its causes, justification and merit, with the long excursus on sufficient and efficacious grace. Translation by the Dominican Nuns of Corpus Christi Monastery, Menlo Park, of De gratia (1946-47), Herder 1952.