Iltis, C. (2009). "The Leibnizian-Newtonian Debates: Natural Philosophy and Social Psychology". The British Journal for the History of Science. 6 (4): 343–377. doi:10.1017/S000708740001253X. S2CID144194873.
museoscienza.org
Copy of Poleni's machine (it) Museo Nazionale della Scienza e della Tecnologia Leonardo Da Vinci. Retrieved 2010-10-04
Iltis, C. (2009). "The Leibnizian-Newtonian Debates: Natural Philosophy and Social Psychology". The British Journal for the History of Science. 6 (4): 343–377. doi:10.1017/S000708740001253X. S2CID144194873.