2Swan, Leo, and Matthew Stout. Teltown: An Ancient Assembly Site in County Meath. Bray: Archaeology Ireland, 1998.
Archaeologist Michael Herity has identified Rath Airthir as the Tredua or triple rampart fort at Tailtú, as noted in the Metrical Dindshenchas: "The Tredua of Tailtiú, famed beyond all lands, where the Kings of Ireland used to fast that no disease might visit the land of Erin."