Jelaskan Catatan dari Cathach Santo Kolumba

"Antiquities": Wallace, Patrick F., O'Floinn, Raghnall eds. Treasures of the National Museum of Ireland: Irish Antiquities, 2002, Gill & Macmillan, Dublin,

De Hamel, Christopher. A History of Illuminated Manuscripts. Boston: David R. Godine, 1986.

Stokes, Margaret, Early Christian Art in Ireland, 1887, 2004 photo-reprint, Kessinger Publishing, , , google books

"RIA" = The Cathach at the Royal Irish Academy