1. Leonardo on painting: an anthology of writings by Leonardo da Vinci, with a selection of documents relating to his career as an artist Leonardo da Vinci, 1452-1519 New Haven : Yale Nota Bene, 2001 HIST472
2. Early Netherlandish painting: its origins and character Panofsky, Erwin, 1892-1968. New York : Harper & Row, 1971. HIST472
