Cianchi, M., Leonardo da Vinci's Machines, with an introduction by Carlo Pedretti, Florence, 1988

Clark, K., Leonardo da Vinci, 1939, new edition with an introduction by M. Kemp, London, 1988

Costantino, M., Leonardo: Artist, Inventor and Scientist, New York/Avenel, New Jersey, 1993

Freud, S., Leonardo da Vinci: A Study in Psychosexuality, New York, 1947

Il Museo Leonardiano di Vinci, Cossiga, F., editor, Milan, 1986

Kemp, M., Leonardo da Vinci: The Marvellous Works of Nature and Man, London and Cambridge, 1981

Lansing, E.C., Leonardo, Master of the Renaissance, New York, 1942

MacCurdy, E.,The Mind of Leonardo da Vinci, London, 1928

Mathé, J., Leonardo's Inventions, translated by David Mac Rae, Fribourg--Genéve, 1980/6

Rosci, M., The Hidden Leonardo, Milano, 1978

The Notebooks of  Leonardo da Vinci, a New Selection, Taylor, P., editor, New York, 1960

The Unknown Leonardo, Reti, L., editor,  New York, 1974

Turner, A. Richard, Inventing Leonardo, New York, 1993

Various Authors, Leonardo da Vinci, memorial edition, Novara, 1956

Vasari, G., Lives of the Artists, selected and translated by G. Bull, London, 1971

Wallace, R., The World of Leonardo, New York, 1971

©1996 SoftKey Multimedia Inc., a subsidiary of SoftKey International Inc.