'... Tomás Ó Fiaich ... articles on 'The O'Neills of the Fews' ... were published in Seanchas Ard Mhacha Vol.7, no.1 (1973), Vol.7, no.2 (1974) and Vol.8, no.2 (1977).' - Réamhrá, p.[7].
The O'Neills of the Fews by Tomás Ó Fiaich. ISBN 0951149059. Published by Cumann Seanchais Ard Mhacha in 2003. Publication and catalogue information, links to buy online and reader comments.