Des Barres, Joseph F. W. (Joseph Frederick Wallet). "The Magdalen Isles in the Gulph of St. Lawrence." Map. London: Published according to Act of Parliament by J.F.W. Des Barres, 1778. Norman B. Leventhal Map & Education Center, https://collections.leventhalmap.org/search/commonwealth:7h149v735 (accessed April 25, 2024).