[QUATRE VOLUMES SUR LE DESSIN ITALIEN] -- SHAW, James, Byam. Drawings Masters at Christ Church Oxford. Oxford:Clarendon Press, 1976. 2 vol. -- WARD-JACKSON, Peter. Italian Drawings, Volume One : 14th-16th century, Volume Two: 17th-18th century. London : Her Majesty's Stationery Office, 1979. (4)