The Most Rev. Dr. Joseph Duffy, Bishop of Clogher and President of the Clogher Historical Society at the time of the lecture, delivered the archived talk on Cathal Óg Mac Maghnusa to the McManus Clan gathering at Belleisle on 15 August 1998.
The Most Rev. Dr. Joseph Duffy, Bishop of Clogher and President of the Clogher Historical Society at the time of the lecture, delivered the archived talk on Cathal Óg Mac Maghnusa to the McManus Clan gathering at Belleisle on 15 August 1998.