Alpinin oğlu Kiniod — 847–858, həmçinin I Kennet Makalpin adı ilə Dal Riadların kralı 843-cü ildə 843-cü ildə piktlərin və skottların krallıqlarını uğurla birləşdirərək Alba krallığını yaratdı, lakin onun davamçıları IX əsrin sonlarına qədər "Piktlər kralı" titulunu daşımışlar.
Хендерсон Изабель. Пикты. Таинственные воины древней Шотландии / Пер. с англ. Н. Ю. Чехонадской. — М.: Центрполиграф, 2004. — 217 с.
Adomnán, Life of St Columba, tr. & ed. Richard Sharpe. Penguin, London, 1995. ISBN 0-14-044462-9
Anderson, Alan Orr, Early Sources of Scottish History A. D 500–1286, volume 1. Reprinted with corrections. Paul Watkins, Stamford, 1990. ISBN 1-871615-03-8
Bannerman, John, Studies in the History of Dalriada. Scottish Academic Press, Edinburgh, 1974. ISBN 0-7011-2040-1
Bannerman, John. "The Scottish Takeover of Pictland and the relics of Columba" in Dauvit Broun and Thomas Owen Clancy (eds.) Spes Scotorum: Saint Columba, Iona and Scotland. Edinburgh: T. & T. Clark, 1999 ISBN 0-567-08682-8
Broun, Dauvit, "Dunkeld and the origin of Scottish identity" in Broun & Clancy (1999).
Broun, Dauvit, "Pictish Kings 761–839: Integration with Dál Riata or Separate Development" in Sally M. Foster (ed.), The St Andrews Sarcophagus: A Pictish masterpiece and its international connections. Four Courts, Dublin, 1998. ISBN 1-85182-414-6
Clancy, Thomas Owen, "Caustantín son of Fergus (Uurgust)" in M. Lynch (ed.) The Oxford Companion to Scottish History. Oxford & New York: Oxford UP, 2002. ISBN 0-19-211696-7
Herbert, Máire, "Ri Éirenn, Ri Alban: kingship and identity in the ninth and tenth centuries" in Simon Taylor (ed.), Kings, clerics and chronicles in Scotland 500–1297. Fourt Courts, Dublin, 2000. ISBN 1-85182-516-9
Skene, William F. Chronicles of the Picts, Chronicles of the Scots, and other Early Memorials of Scottish History. Edinburgh: H. M. General Register House, 1867.
Smyth, Alfred P. Warlords and Holy Men: Scotland AD 80–1000. Reprinted, Edinburgh: Edinburgh UP, 1998. ISBN 0-7486-0100-7
Woolf, Alex, "Pictish matriliny reconsidered" in The Innes Review, Volume XLIV, Number 2 (Autumn 1998). ISSN 0020–157X
Woolf, Alex, "Ungus (Onuist), son of Uurgust" in M. Lynch (2002).