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Beuermann (2010); O'Byrne (2005b); Verstraten (2003); Duffy (2002); Duffy (1993). Beuermann, I (2010). "'Norgesveldet?' South of Cape Wrath? Political Views Facts, and Questions". In Imsen, S (ed.). The Norwegian Domination and the Norse World c. 1100–c. 1400. Trondheim Studies in History. Trondheim: Tapir Academic Press. pp. 99–123. ISBN978-82-519-2563-1. O'Byrne, E (2005b). "Military Service, Gaelic". In Duffy, S (ed.). Medieval Ireland: An Encyclopedia. New York: Routledge. pp. 333–335. ISBN0-415-94052-4. Verstraten, F (2003). "Both King and Vassal: Feidlim Ua Conchobair of Connacht, 1230–65". Journal of the Galway Archaeological and Historical Society. 55: 13–37. ISSN0332-415X. JSTOR25535754. Duffy, S (2002). "The Bruce Brothers and the Irish Sea World, 1306–29". In Duffy, S (ed.). Robert the Bruce's Irish Wars: The Invasions of Ireland 1306–1329. Stroud: Tempus Publishing. pp. 45–70. ISBN0-7524-1974-9. Duffy, S (1993). Ireland and the Irish Sea Region, 1014–1318 (PhD thesis). Trinity College Dublin. hdl:2262/77137.
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Holton (2017) pp. 131–132; Beuermann (2010) p. 112; Broun (2007) pp. 4, 26 n. 17; Brown (2004) p. 81; Rixson (2001) p. 87; Sellar (2000) p. 206; McDonald (1997) p. 104; Williams, DGE (1997) p. 118. Holton, CT (2017). Masculine Identity in Medieval Scotland: Gender, Ethnicity, and Regionality (PhD thesis). University of Guelph. hdl:10214/10473. Beuermann, I (2010). "'Norgesveldet?' South of Cape Wrath? Political Views Facts, and Questions". In Imsen, S (ed.). The Norwegian Domination and the Norse World c. 1100–c. 1400. Trondheim Studies in History. Trondheim: Tapir Academic Press. pp. 99–123. ISBN978-82-519-2563-1. Broun, D (2007). Scottish Independence and the Idea of Britain: From the Picts to Alexander III. Edinburgh: Edinburgh University Press. ISBN978-0-7486-2360-0. Brown, M (2004). The Wars of Scotland, 1214–1371. The New Edinburgh History of Scotland. Edinburgh: Edinburgh University Press. ISBN0748612386. Rixson, D (2001). The Small Isles: Canna, Rum, Eigg and Muck. Edinburgh: Birlinn. ISBN1-84158-154-2. OL3544460M. Sellar, WDH (2000). "Hebridean Sea Kings: The Successors of Somerled, 1164–1316". In Cowan, EJ; McDonald, RA (eds.). Alba: Celtic Scotland in the Middle Ages. East Linton: Tuckwell Press. pp. 187–218. ISBN1-86232-151-5. McDonald, RA (1997). The Kingdom of the Isles: Scotland's Western Seaboard, c. 1100–c. 1336. Scottish Historical Monographs. East Linton: Tuckwell Press. ISBN978-1-898410-85-0. Williams, DGE (1997). Land Assessment and Military Organisation in the Norse Settlements in Scotland, c.900–1266 AD (PhD thesis). University of St Andrews. hdl:10023/7088.
Annála Connacht (2011a) § 1247.7; Annála Connacht (2011b) § 1247.7; Duffy (2007) p. 1; McLeod (2005) p. 42; Duffy (2004) p. 47; McLeod (2002) p. 31; Sellar (2000) p. 201; Simms (2000a) p. 121; Bartlett (1999) p. 821; Ó Murchadha (1992–1993) p. 57. "Annála Connacht". Corpus of Electronic Texts (25 January 2011 ed.). University College Cork. 2011a. Retrieved 28 October 2015. "Annála Connacht". Corpus of Electronic Texts (25 January 2011 ed.). University College Cork. 2011b. Retrieved 28 October 2015. Duffy, S (2007). "The Prehistory of the Galloglass". In Duffy, S (ed.). The World of the Galloglass: Kings, Warlords and Warriors in Ireland and Scotland, 1200–1600. Dublin: Four Courts Press. pp. 1–23. ISBN978-1-85182-946-0. McLeod, W (2005) [2004]. "Political and Cultural Background". Divided Gaels: Gaelic Cultural Identities in Scotland and Ireland 1200–1650. Oxford: Oxford University Press. pp. 14–54. doi:10.1093/acprof:oso/9780199247226.003.0002. ISBN0-19-924722-6 – via Oxford Scholarship Online. Duffy, S (2004). "The Lords of Galloway, Earls of Carrick, and the Bissets of the Glens: Scottish Settlement in Thirteenth-Century Ulster". In Edwards, D (ed.). Regions and Rulers in Ireland, 1100–1650: Essays for Kenneth Nicholls. Dublin: Four Courts Press. pp. 37–50. ISBN1-85182-742-0. McLeod, W (2002). "Rí Innsi Gall, Rí Fionnghall, Ceannas nan Gàidheal: Sovereignty and Rhetoric in the Late Medieval Hebrides". Cambrian Medieval Celtic Studies. 43: 25–48. ISSN1353-0089. Sellar, WDH (2000). "Hebridean Sea Kings: The Successors of Somerled, 1164–1316". In Cowan, EJ; McDonald, RA (eds.). Alba: Celtic Scotland in the Middle Ages. East Linton: Tuckwell Press. pp. 187–218. ISBN1-86232-151-5. Simms, K (2000a) [1987]. From Kings to Warlords. Woodbridge: The Boydell Press. ISBN978-0-85115-784-9. Bartlett, R (1999). "The Celtic lands of the British Isles". In Abulafia, D (ed.). The New Cambridge Medieval History. Vol. 5. Cambridge: Cambridge University Press. pp. 809–827. ISBN0-521-36289-X. Ó Murchadha, D (1992–1993). "Nationality Names in the Irish Annals"(PDF). Nomina. 16: 49–70. ISSN0141-6340.
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Annála Connacht (2011a) § 1268.14; Annála Connacht (2011b) § 1268.14; Sellar (2000) pp. 201, 207. "Annála Connacht". Corpus of Electronic Texts (25 January 2011 ed.). University College Cork. 2011a. Retrieved 28 October 2015. "Annála Connacht". Corpus of Electronic Texts (25 January 2011 ed.). University College Cork. 2011b. Retrieved 28 October 2015. Sellar, WDH (2000). "Hebridean Sea Kings: The Successors of Somerled, 1164–1316". In Cowan, EJ; McDonald, RA (eds.). Alba: Celtic Scotland in the Middle Ages. East Linton: Tuckwell Press. pp. 187–218. ISBN1-86232-151-5.
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