27Petrie, George. "On the History and Antiquities of Tara Hill." The Transactions of the Royal Irish Academy, vol. 18, 1839, p. 26.
Commenting on one of the prose tracts from the dindshenehas, Conor Newman quotes Edel Bhreathnach (1995) that the "Dindgnai Temraeh 'is so detailed that it is tantamount to a medieval survey of the Hill of Tara.' How this bears on the historicity of these accounts is a question more for the historian than the archaeologist but has prompted us to take an optimistic view of the integrity and usefulness of the topographical information in the dindshenehas."
A half century after O'Donovan and Petrie's work, a less comprehensive survey was compiled by the Rev. Denis Murphy and Thomas J. Westropp (1894). In the early 1900s further field work was completed by R.A.S. Macalister (1919; 1931; 1938-56). (Roche, Helen, et. al., "Excavations at Raith na Rig, Tara, Co. Meath, 1997." Discovery Programme Reports: 6: Project Results. Dublin, Royal Irish Academy for the Discovery Programme, 2002, p. 20.)