Dugdale, William, Sir. Abbey of Ferns, in the County of Wexford in Dugdale's Monasticon Volume 6 Part 2 Vol. 6: 1141-42

[Dugdale, William, Sir. Abbey of Ferns, in the County of Wexford in Dugdale's Monasticon Vol. 6 Part 2 Dugdale, William, Sir Vol. 6: 1141-42.]