MacAllister 1921, p. 171. MacAllister, Robert Alexander Stewart (1921). Ireland in pre-Celtic times(PDF) (Online Archive ed.). Dublin, London, Maunsel and Roberts, limited.
Wilde 1861, p. 492. Wilde, W. R. (1861). "On an Ancient Irish Wooden Shield". Proceedings of the Royal Irish Academy. 8. Royal Irish Academy: 487–liv. JSTOR20488869.
Wilde 1861, p. 490. Wilde, W. R. (1861). "On an Ancient Irish Wooden Shield". Proceedings of the Royal Irish Academy. 8. Royal Irish Academy: 487–liv. JSTOR20488869.