McDonald, R. Andrew (2007) Manx Kingship in Its Irish Sea Setting, 1187–1229: King Rognvaldr and the Crovan Dynasty. Dublin. Four Courts Press. Munch, P. A. (ed) and Rev. Goss (tr) (1874) Chronica regnum Manniae et insularum: The Chronicle of Man and the Sudreys. Volume 1. Douglas, Isle of Man. The Manx Society. Retrieved 9 January 2011. Murray, W. H. (1966) The Hebrides. London. Heinemann. Murray, W. H. (1973) The Islands of Western Scotland. London. Eyre Methuen. Nicolson, James R. (1972) Shetland. Newton Abbott. David & Charles. Ó Corráin, Donnchadh (1998) Vikings in Ireland and Scotland in the Ninth Century. CELT. Ó Corráin, Donnchadh (2008) "The Vikings and Ireland" in Brink, Stefan (ed) (2008) The Viking World. Abingdon. Routledge. Omand, Donald (ed.) (2003) The Orkney Book. Edinburgh. Birlinn. Pálsson, Hermann and Edwards, Paul Geoffrey (1981). Orkneyinga Saga: The History of the Earls of Orkney. Penguin Classics. Philip's World Atlas (9th Edition) (1999) London. George Philip Ltd. in association with the Royal Geographical Society with the Institute of British Geographers. Rollason, D. W. (2003) Northumbria, 500–1100: Creation and Destruction of a Kingdom. Cambridge. Cambridge University Press. Sharples, Niall and Smith, Rachel "Norse settlement in the Western Isles" in Woolf, Alex (ed.) (2009) Schei, Liv Kjørsvik (2006) The Shetland Isles. Grantown-on-Spey. Colin Baxter Photography. Sheehan, John and Ó Corráin, Donnchadh (2010) The Viking Age: Ireland and the West. Proceedings of the Fifteenth Viking Congress. Dublin. Four Courts Press. Thomson, William P. L. (2008) The New History of Orkney. Edinburgh. Birlinn. Watson, W. J. (1994) The Celtic Place-Names of Scotland. Edinburgh. Birlinn. . First published 1926. Williams, Gareth "The Family of Moddan of Dale" in Ballin Smith, Beverley, Taylor, Simon and Williams, Gareth (eds) (2007) West Over Sea: Studies in Scandinavian Sea-borne Expansion and Settlement Before 1300. Brill. Woolf, Alex "The Age of the Sea-Kings: 900–1300" in Omand, Donald (ed.) (2006) The Argyll Book. Edinburgh. Birlinn. Woolf, Alex (2007) From Pictland to Alba, 789–1070. Edinburgh. Edinburgh University Press. Woolf, Alex (ed.) (2009) Scandinavian Scotland – Twenty Years After. St Andrews. St Andrews University Press. Further reading Downham, Clare "England and the Irish-Sea Zone in the Eleventh Century" in Gillingham, John (ed) (2004) Anglo-Norman Studies XXVI: Proceedings of the Battle Conference 2003. Woodbridge. Boydell Press. Etchingham, Colman (2001) "North Wales, Ireland and the Isles: the Insular Viking Zone". Peritia. 15 pp. 145–87 Ó Corráin, Donnchadh (Mar 1979) "High-Kings, Vikings and Other Kings". Irish Historical Studies