Joyce, P. W., & Irish Genealogical Foundation. (1997). A social history of ancient Ireland: Treating of the government, military system, and law; religion, learning, and art; trades, industries, and commerce; manners, customs, and domestic life, of the ancient Irish people (2nd ed.). Celtic Bookshop.

Joyce, P. W., and Irish Genealogical Foundation. A Social History of Ancient Ireland: Treating of the Government, Military System, and Law; Religion, Learning, and Art; Trades, Industries, and Commerce; Manners, Customs, and Domestic Life, of the Ancient Irish People. 2nd ed. Celtic Bookshop, 1997.