Bibliography
* Anderson, Alan Orr, ''Early Sources of Scottish History: AD 500-1286'', Vol. 1, (Edinburgh, 1923) * Anderson, Marjorie O., ''Kings and Kingship in Early Scotland'', (Edinburgh, 1973), pp. 235–60 * Broun, Dauvit, "The Seven Kingdoms in De Situ Albanie: A Record of Pictish political geography or imaginary Map of ancient Alba?" in E.J. Cowan & R. Andrew McDonald (eds.), ''Alba: Celtic Scotland in the Medieval Era'', (Edinburgh, 2000, rev. 2005), pp. 24–42 * Skene, William F., ''Chronicles of the Picts and Scots: And Other Memorials of Scottish History'', (Edinburgh, 1867)External links