Hickey, Margaret (2018). Ireland's green larder : the definitive history of Irish food and drink. London: Unbound. pp. 69–70. ISBN978-1-78352-799-1. OCLC1085196202.
Mahon, Bríd (1998). Land of milk and honey : the story of traditional Irish food and drink. Dublin: Mercier Press. pp. 76, 146–147. ISBN1-85635-210-2. OCLC39935389.