↑ A History of Milan under the Sforza. Cecilia M. Ady, Edward Armstrong; Methuen & Co., 1907.
↑ Tolfo, Maria Grazia; Colussi, Paolo (January 23, 2009). "Storia di Milano ::: dal 1426 al 1450" [History of Milan ::: from 1426 to 1450]. Storia di Milano (in อิตาลี). Milano: Storiadimilano. สืบค้นเมื่อ May 6, 2010.
