The Charles Butt Ballard Negative Collection.
Launching of "Isabelle J. II" at Bass Harbor Boat Shop. Owner: Bill Tower, Ogunquit, Maine. March 5, 1950
W.H. Ballard, “Launching of Isabelle J II,” Mount Desert Island Historical Society, accessed May 13, 2024, https://mdihs.digitalarchive.us/items/show/5770.Item 6136
