Curtiss, Wilbur.,  and Moore, T..  "Map of the seat of war, showing disputed territory, and the boundary lines claimed by Maine & Great Britain and that proposed by the King of the Netherlands."  Map.  1839.  Norman B. Leventhal Map & Education Center,  https://collections.leventhalmap.org/search/commonwealth:7h14b0204 (accessed July 20, 2019).