↑Chronicle of the Kings of Alba and related Scoto-Latin texts. Niger is a literal Latin translation of the Gaelic Dub, which may itself have been an epithet rather than a given name: the Duan Albanach refers to him as Dubhoda dén, Dubod the vehement or impetuous
Referensi
Duncan, A.A.M., The Kingship of the Scots 842–1292: Succession and Independence. Edinburgh University Press, Edinburgh, 2002. ISBN0-7486-1626-8
Smyth, Alfred P., Warlords and Holy Men: Scotland AD 80–1000. Edinburgh UP, Edinburgh, 1984. ISBN0-7486-0100-7