Popple, Henry, d. 1743,  and Toms, W. H. (William Henry), ca. 1700-ca. 1750.  "A map of the British Empire in America with the French and Spanish settlements adjacent thereto."  Map.  1775.  Norman B. Leventhal Map & Education Center,  https://collections.leventhalmap.org/search/commonwealth:8049g9430 (accessed December 19, 2018).