Dugdale, William, Sir. Abbey of Shapp, anciently Hepp, in Westmoreland in Dugdale's Monasticon Volume 6 Part 2 Vol. 6: 868-70

[Dugdale, William, Sir. Abbey of Shapp, anciently Hepp, in Westmoreland in Dugdale's Monasticon Volume 6 Part 2 Dugdale, William, Sir Vol. 6: 868-70.]