Fisher, L. A. (1966). The mystic vision in the Grail legend and in the Divine comedy. AMS Press.

Fisher, Lizette Andrews. The Mystic Vision in the Grail Legend and in the Divine Comedy. New York: AMS Press, 1966.

Fisher, Lizette Andrews. The Mystic Vision in the Grail Legend and in the Divine Comedy. AMS Press, 1966.