Barker, John, Bastide, John Henry, approximately 1700-1770, Durell, Philip, -1766, Amherst, Jeffery Amherst, Baron, and Royal United Services Institute for Defence and Security Studies. "A PLAN & SURVEY of the Town and Harbour of LOUISBOURG." Map. Place of production not identified: JOHN BARKER DELIN 1748 No. 32., 1748. Norman B. Leventhal Map & Education Center, https://collections.leventhalmap.org/search/commonwealth:hx11z0241 (accessed April 25, 2024).