Western mysticism : the teachings of SS Augustine, Gregory and Bernard on contemplation and the contemplative life : neglected chapters in the history of religion /
by Cuthbert Butler
- 3rd ed.
- London : Constable, 1922
- xci, 352 p. ; 23 cm.
Augustine, Saint, Bishop of Hippo Bernard, of Clairvaux, Saint, 1090 or 91-1153 Gregory, I, Pope, ca. 540-604