Erroneous conscience and obligations : a study of the teaching from the Summa Halesiana, Saint Bonaventure, Saint Albert the Great, and Saint Thomas Aquinas / Xavier G. Colavechio, o.praem.
. – Washington : The Catholic University of America Press, 1961
. – xvi, 120 p. ; 22 cm
. – (Studies in Sacred Theology ; 114)