Henry A. Jefferies

• Cork
• Ccea A2 History
• History of the Diocese of Clogher
• History of the Diocese of Derry from earliest times
• Priests and prelates of Armagh in the age of reformations, 1518-1558
• New History of Cork
• Reformations Compared
• Sisters of Mercy and Thornhill College, Derry
• The Irish church and the Tudor reformations
• The Irish church and the Tudor reformations
• Tyrone
• Tyrone History & Society