Des Barres, Joseph F. W. (Joseph Frederick Wallet).  "The coast of Nova Scotia, New England, New-York, Jersey, the Gulph and River of St. Lawrence : the islands of Newfoundland, Cape Breton, St. John, Antecosty, Sable, &c, and soundings thereof ...."  Map.  1777.  Norman B. Leventhal Map & Education Center,  https://collections.leventhalmap.org/search/commonwealth:z603vk92b (accessed April 02, 2020).