Gearóid Mac Niocaill

• The Annals of Ulster (to A.D. 1131)
• Keimelia
• Oceanic whitecaps and their role in air-sea exchange processes
• Crown surveys of lands, 1540-41
• Irish population before Petty
• Na manaigh liatha in Eirinn 1142-1600
• Na manaigh liatha in Eirinn 1142-c.1600
• Notitiae as Leabhar Cheanannais 1033-1161
• The medieval Irish annals
• The Red book of the Earls of Kildare