Blaskowitz, Charles. "A plan of New York Island, and part of Long Island, with the circumjacent country, as far as Dobbs's Ferry to the north, and White Plains to the east, including the rivers, islands, roads, &ca." Map. [1777]. Norman B. Leventhal Map & Education Center, https://collections.leventhalmap.org/search/commonwealth:z603vw04k.