Three Dissections by Leonardo da Vinci
This Demonstration shows three dissections by Leonardo da Vinci.
The first two dissections are mentioned in [1, pp. 134–135]; the third is mentioned in [2, p. 271].
 G. N. Frederickson, Hinged Dissections: Swinging & Twisting, New York: Cambridge University Press, 2002. www.cs.purdue.edu/homes/gnf/book2.html.
 F. Capra, The Science of Leonardo, New York: Anchor Books, 2007.