- Foster, Sally M.: Picts, Gaels, and Scots: early historic Scotland, 1996. London: B. T. Batsford/Historic Scotland. ISBN: 0-7134-7485-8.
- Kinsella, Thomas: The Táin: From the Irish Epic "Táin Bo Cuailnge", 2002. Oxford Paperbacks. ISBN: 0192803735.
- Maier, Bernhard: The Celts: A history from earliest times to present, 2003. Edinburg: Edinburgh University Press. ISBN: 0-7486-1605-5, ib., 0-7486-1606-3, h.. Innledning, Del 1, kapittel 9, 13-16, 24, etterord.
- Ó Cróinín, Dáibhí: Early medieval Ireland, 1995. London: Longman. ISBN: 0-582-01565-0. Kapittel 1, 2, 3, 8, 9 og 10.
- Snyder, Christopher A.: The Britons, 2003. Malden Mass:Blackwell. ISBN: 0-631-22260-x, ib., 0-631-22262-6, h., 978-0-631-22260-6, ib.. Kapittel 3-6, 9-12.
Kompendium
- Raftery, B.: Pagan Celtic Ireland: the enigma of the Irish Iron Age, 1994. London: Thames and Hudson . ISBN: 0-500-05072-4, 0-500-27983-7 . kap. 4-8.
- Haga, Mads, ”Branwen datter av Llŷr” og ”Math sønn av Mathonwy”, i Keltiske myter, av Jan Erik rekdal (red.) 2006. Oslo: De norske bokklubbene. ISBN: 9788252560046. ss. 253-275, 299-328
Kursorisk lesing
Cunliffe, Barry : The Ancient Celts , 1999. Penguin paperback. (London 1997) .