Kelly, Patrick (1821). "Venice". The Universal Cambist, and Commercial Instructor: Being a Full and Accurate Treatise on the Exchanges, Monies, Weights and Measures of All Trading Nations and Their Colonies; with an Account of Their Banks, Public Funds, and Paper Currencies, Volume 1. London: Lackington Allen and Co. p. 344. See also Milan p 254; Parma p 275