Chapter III

LEONARDO DI SER PIERO DA VINCI. _A Treatise of Painting._
Translated from the original Latin. Paris, 1651.

_The Life of Leonardo da Vinci_ done into English from the text
of the second edition of the “Lives” (by Giorgio Vasari) with a
commentary by Herbert P. Horne. London, 1903.

_The Literary Works of Leonardo da Vinci_, compiled and edited
from the original manuscripts by Jean Paul Rickter. London,
1880–1883.

_Essai sur les ouvrages physico-mathématiques de Léonard de
Vinci_, avec des fragmens tirés de ses manuscripts apportés de
l’Italie. Giovanni Battista Venturi. Paris, 1797.

GUILLAUME LIBRI. _Histoire des sciences mathématiques en
Italie_, depuis la renaissance des lettres jusqu’à la fin du
dix-septième siècle. Paris, 1838–1841.

GIORGIO VASARI. _Lives of Seventy of the Most Eminent Painters,
Sculptors and Architects._ Edited by E. H. and E. W. Blashfield
and A. A. Hopkins. New York, 1896.

FRANCESCO MAUROLICO. _Cosmographia._

Venice, 1543.

_Theoremata de Lumine, et Umbra, ad Perspectivam & Radiorum
Incidentiam Facientia._ Leyden, 1613.

GIROLAMO CARDANO. _De Subtilitate._

Nuremberg, 1550.

_Les Livres de Hierome Cardanus Médecin Milannois._ Richard Le
Blanc. Paris, 1556.