<https://mapcollections.brooklynhistory.org/#website>
<http://schema.org/description>
"Historical maps in BHS’s collection span the years 1562 to 2012 and depict the five boroughs, New York City, Long Island, New York State, New Jersey, New England, the mid-Atlantic, the eastern United States, and beyond."
<https://mapcollections.brooklynhistory.org/collection/?place=new-york-state&subject=ferriesrailroads&genre=transportation-maps&century=20th-century>