Tolong jelaskan mengenai Catatan dari Bros Keltik

Gere, C. and Rudoe J., Jewellery in the Age of Queen Victoria: a Mirror to the World, 2010, British Museum Publications,

Johns, Catherine, The Jewellery of Roman Britain: Celtic and Classical Traditions, Routledge, 1996, , , Google books

Laing, Lloyd Robert. The archaeology of late Celtic Britain and Ireland, c. 400–1200 AD, Taylor & Francis, 1975, , , google books

Youngs, Susan (ed), "The Work of Angels", Masterpieces of Celtic Metalwork, 6th–9th centuries AD, 1989, British Museum Press, London,

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

"Ship": Larsen, Anne Christine (ed), The Vikings in Ireland, 2001, The Viking Ship Museum, Roskilde, , online text

Whitfield, Niamh (2001), The "Tara" Brooch, in Hourihane, Colum (ed), From Ireland coming: Irish art from the early Christian to the late Gothic period and its European context, Princeton University Press, 2001, , 9780691088259

Whitfield, Niamh (2005), "A brooch fragment from Dublin", in Bork, Robert Odell and Montgomery, Scott, De re metallica: the uses of metal in the Middle Ages, 2005, Ashgate Publishing, Ltd., , , google books