The Stigmata of St. Francis of Assisi : a Critical Investigation in the Light of Thirteenth-Century Sources / by Octavianus Schmucki ; translated by Canisius F. Connors
. – St. Bonaventure, N.Y. : The Franciscan Institute St. Bonaventure University, 1991
. – xvii, 393 p. ; 23 cm
. – (Franciscan Institute Publications. History Series. 6