Parker, E. C. (1992). The Cloisters: Studies in honor of the fiftieth anniversary ; [international symposium held October 21 - 22, 1988 at the Metropolitan Museum of Medieval Art, jointly sponsored by the Cloisters and the International Center of Medieval Art]. New York: Metropolitan Museum of Art [u.a.].

Parker, Elizabeth C. The Cloisters: Studies in Honor of the Fiftieth Anniversary ; [international Symposium Held October 21 - 22, 1988 At the Metropolitan Museum of Medieval Art, Jointly Sponsored By the Cloisters and the International Center of Medieval Art]. New York: Metropolitan Museum of Art [u.a.], 1992.

Parker, Elizabeth C. The Cloisters: Studies in Honor of the Fiftieth Anniversary ; [international Symposium Held October 21 - 22, 1988 At the Metropolitan Museum of Medieval Art, Jointly Sponsored By the Cloisters and the International Center of Medieval Art]. New York: Metropolitan Museum of Art [u.a.], 1992.