* {{cite book | last=N.Y.) | first=Metropolitan Museum of Art (New York, | title=Treasures of Early Irish Art, 1500 B.C. to 1500 A.D. | publisher=Metropolitan Museum of Art | publication-place=[New York | date=1977 | isbn=978-0-87099-164-6}}
<ref name="d450">{{cite book | last=N.Y.) | first=Metropolitan Museum of Art (New York, | title=Treasures of Early Irish Art, 1500 B.C. to 1500 A.D. | publisher=Metropolitan Museum of Art | publication-place=[New York | date=1977 | isbn=978-0-87099-164-6 | page=}}</ref>