Dugdale, William, Sir. Cathedral of the Holy Trinity, otherwise Christ Church, Dublin in Dugdale's Monasticon Volume 6 Part 2 Vol. 6: 1148-49

[Dugdale, William, Sir. Cathedral of the Holy Trinity, otherwise Christ Church, Dublin in Dugdale's Monasticon Vol. 6 Part 2 Dugdale, William, Sir Vol. 6: 1148-49.]