10Westropp, Thomas J. "Promontory Forts and Similar Structures in the County Kerry. Part III. Corcaguiny (Brandon to Dunquin) (Continued)." The Journal of the Royal Society of Antiquaries of Ireland, Fifth 40.3 (1910): 195.
The ships which engaged the fort were the " Swiftsure," the " Tiger," the "Marlyon," and the “Revenge.” The most famous battle of the Revenge was the subject of the Alfred Lord Tennyson poem titled after her.