The original en:Castello Plan. Full size photograph of manuscript map in the Biblioteca Medicea-Laurenziana of Florence, Italy. The Castello plan is the earliest known plan of New Amsterdam, and the only one dating from the Dutch period.
Source: New York Public Library, Digital Gallery. Digital ID: 54682, Digital Record ID: 118555
Date: 1660
Author: Jacques Cortelyou, General Governor of Nieuw Amsterdam at that time.