Leonardo da Vinci, four

(1) Carlo Pedretti and Jane Roberts (1981) Leonardo da Vinci Nature Studies from the Royal Library at Windsor Castle, exhibition catalogue, London: Royal Academy of Arts, double volume soft cover with slipcase, illustrated in black and white.

(2) (2000) La "Madonna dei Fusi" di Leonardo da Vinci e il Paesaggio del Valdarno Superiore, exhibition catalogue, Arezzo: Palazzo dei Priori, soft cover illustrated in colour, text in Italian.

(3) Luke Syson and Larry Keith (2011) Leonardo da Vinci: Painter at the Court of Milan, exhibition catalogue, London: The National Gallery, hard cover with dust jacket, illustrated in colour.

(4) Frank Zöllner (2003) Leonardo da Vinci: The Complete Paintings and Drawings, Cologne: Taschen, hard cover with dust jacket and plastic cover, illustrated in colour.