Italian Art.- Clark (Kenneth) The Drawings of Leonardo da Vinci...at Windsor Castle, 3 vol., second, revised edition, 1968 & others on Leonardo, Michelangelo & Raphael (c.30)

Italian Art.- Clark (Kenneth) The Drawings of Leonardo da Vinci...at Windsor Castle, 3 vol., second, revised edition, 1968 § Pedretti (Carlo) Leonardo: Architect, 1986 § Hartt (F.) The Drawings of Michelangelo, 1971 § Argan (G.c.) & B.Contardi. Michelangelo: Architect, 1993 § Joannides (Paul) The Drawings of Raphael with a Complete Catalogue, Oxford, 1983, illustrations, original cloth with dust-jackets; and c.25 others on Leonardo, Michelangelo & Raphael, v.s. (c.30)