Hills, John, (Surveyor),  Morgan, Benjamin, (Draftsman),  Dunham, Azariah,  and Rue, Joseph.  "A map, Middlesex County."  Map.  1781.  Norman B. Leventhal Map & Education Center,  https://collections.leventhalmap.org/search/commonwealth:q524nk07j (accessed November 26, 2020).