Ivorks IN english BY catholic authors: Joseph Rickaby, Moral Philosophy (n. Y. 1888) Rickaby, Aquinas Ethicns (n. Y.) Cronin, Science of Ethics (dublin, 1909) Brosnahan, Digest of Lee tures in Ethics (baltimore, 1912) The Catholic Encyclopedia; Rickaby, Oxford Conferences (n. The Ecclesiastical Review has numerous invaluable discussions of moral questions scattered through numbers; The Catholic World and the Dublin Review have treated ethical mat ters, but to a less extent.