City of Derry: Illustrated History and Companion for Londonderry

Lug's Forgotten Donegal Kingdom: The Archaeology, History and Folklore of the Sil Lugdach of Cloghaneely

Adomnan, Adhamhnan, Eunan: Life and afterlife of a Donegal Saint

Saint Columba: His Life and Legacy

Archaeological survey of County Donegal : a description of the field antiquities of the county from the Mesolithic period to the 17th century A.D.

Adomnan, Adhamhnan, Eunan: Life and afterlife of a Donegal Saint

Medieval and Monastic Derry: Sixth Century to 1600

Discover Derry

Siege City: The Story of Derry and Londonderry

O'Brien Pocket History of Irish Saints