[5] Coffey, George, op. cit. p. 2.
[6] Coffey, George, New Grange and other Incised Tumuli, p. 62.
[7] Coffey, George, The Bronze Age in Ireland, pp. 2, 27.
[8] O’Donovan, John, Annals of the Four Masters, I., p. 132.
[9] Joyce, P. W., op. cit. I., p. 14.
[10] Ginnell, Laurence, Article on the Brehon Laws, in the Encyclopædia Britannica, IV., p. 488.
[11] Quoted by Douglas Hyde in A Literary History of Ireland, p. 134.
[12] Liber Ardmachanus or Book of Armagh, edited by John Gwynn, p. 9.
[13] Stokes, Whitley, Tripartite Life of St. Patrick, II., p. 284.
[14] Joyce, Patrick W., Social History of Ireland, I., p. 402.