Botany, zoology, hydraulics

William Emboden. Leonardo da Vinci on plants and gardens. Portland, 1987.

Barbara Hochstetler Meyer & Alice Wilson Glover, “Botany and art in Leonardo's Leda and the Swan’, in: Leonardo 22, no. 1 (1989): pp. 75-82. 

Giancarlo Ligabue. Leonardo da Vinci e i fossili. Vicenza, 1977.

Enzo Macagno. Leonardian fluid mechanics. Iowa City, 1986-2006.

Santos Eduardo Michelena. Apuntes sobre los dibujos hidráulicos de Leonardo da Vinci. Notes on the hydraulic drawings of Leonardo da Vinci. Caracas, 1997.

Carlo Starnazzi. Leonardo: from Tuscany to the Loire. Perugia, 2008.

Sara Taglialagamba and Gabriele Niccolai. Leonardo da Vinci: automazioni e robotica; Leonardo da Vinci: automations and robotics. Poggio a Caiano, 2010.