The Early Medici and their Artists. Based on a series of lectures given at Birkbeck College, Summer Term 1994.

An Exhibition of Early Renaissance Drawings from Collections in Great Britain. Nottingham, University Art Gallery, 12 February - 12 March 1983; London, Victoria and Albert Museum, 30 March - 15 May 1983. London, Victoria and Albert Museum 1983, cm.19x27,2, pp.328, numerose illustrazioni in bianco e nero e 24 tavole a colori, brossura, copertina figurata a colori. Testo in inglese.

New Haven, Yale University Press 1982, cm.19x27,2, pp.196, 182 illustrazioni in bianco e nero, brossura con copertina figurata. Testo in inglese. Second edition. Contents; Some general considerations: written sources ; The status of drawing in the Fifteenth Century ; Survival of drawings. The problem. Regional differences. Collecting ; The origins of drawing ; Drawing in workshop training ; Drawing in artistic exploration - Drawing surfaces: Parchment and another small-scale surfaces. Paper. Sinopie and cartoons - Techniques: Silverpoint drawing. Drawing with pen and ink. Chalk Drawing. Brush Drawing - Model-books and sketch-books: The model-book and its functions ; Pisanello, the transition from model-book to sketch-book ; Drawing-books in early Quattrocento Tuscany ; From sketch-book to Portfolio pattern d - Figure drawing: Study of the nude in Florence ; Sculptural drawing ; Figure drawing outside Florence ; Figure groups - Compositional drawings: Compositional drawings in drawing-books ; Contract drawings ; Compositional sketching ; The evolution of a pictorial design. North Italy. Domenico Ghirlandino. Leonardo da Vinci. Epilogue: The Quattrocento legacy.