Heritage & Genealogy publications
Tracing Your Irish Ancestors, (3rd. edition, Dublin, Gill & Macmillan, Baltimore, Genealogical Publishing Co., , 2006). First edition, 1992, second edition, 1999.
Irish Ancestors, (Dublin, Gill & Macmillan, 2004)
An Illustrated History of Ireland, (Dublin, Gill & Macmillan, 1997)
Pocket Reference: Irish Family Names, (London, Harper Collins, 1996)
Generations: the Story of a Family, (Dublin, Irish Times Books, 1996)
The Little Book of Irish Clans, (Dublin, John Hinde, 1994)
Clans and families of Ireland, (Dublin, Gill & Macmillan, 1993, New York, Colour Library Books, 1994)