Wit, Frederik de. "Reipublicae Genuensis et Ducatus Mediolanensis Parmensis et Montisferrati novissima descriptio." Map. Amstelodami: ex officina F. de Wit, 1688. Norman B. Leventhal Map & Education Center, https://collections.leventhalmap.org/search/commonwealth:cj82ks77w (accessed April 19, 2024).