Worsaae, J. J. A. _Minder om de Danske og Nordmaendene i England, Skotland og Irland._ Copenhagen, 1851. (English translation: _An Account of the Danes and Norwegians in England, Scotland and Ireland_. London, 1852.) Zimmer, H. _The Celtic Church in Britain and Ireland_, (translated by A. Meyer). London, 1902. Reference has also been made to the following articles:-- Bugge, A. _Nordisk Sprog og Nordisk Nationalitet i Irland_ (Aarboger for Nordisk Oldkyndighed og Historie, 1900, pp. 279-332). ---- _Bidrag Bidet Sidste Afsnit af Nordboernes Historie i Irland_ _ibid._, 1904, pp. 248-315. Craigie, W. A. _Oldnordiske Ord i de Gaeliske Sprog_ (Archiv for Nordisk Filologi. 1894.) Curtis, E. _The English and the Ostmen in Ireland_ (English Historical Review, XXIII., p. 209 ff.) Hull, E. _Irish Episodes in Icelandic Literature_ (Saga Book of the Viking Club. January, 1903.) ---- _The Gael and the Gall: Notes on the Social Condition of Ireland during the Norse Period._ (_Ibid._ April, 1908.) Mawer, A. _The Scandinavian Kingdom of Northumbria._ _Ibid._ January, 1911. Stokes, W. _A few Parallels between the Old Norse and the Irish Literatures and Traditions_ (Arkiv för Nordisk Filologi. 1885.) Zimmer, H. _Ueber die frühesien Berührungen der Iren mit den Nordgermanen._ (Sitzungsberichte der Kgl. Preussichen Akademie der Wissenschaften, Bd. I., pp. 279-317. Berlin, 1891.) INDEX. Aedh Finnliath, 10, 15. Albann, brother of Ivarr the Boneless, 4. Albdann, son of Gothfrith, 22 _n._ Altar-ring, 53, 54. _aonach_, 30, 67. Armagh, 21-22, 48, 52, 55. Art, Scandinavian influence on Irish, 20. Authr, wife of Olaf the White, 15, 48, 72; wife of Turgéis, 47. Brian Borumha, 7-8, 29, 37-38. Brunanburh, battle of, 6, 24. Burial mounds, 12. Canterbury, 55-56. Carlingford Lough, battle of, 3, 13, 50-51. Cearbhall, king of Ossory, 13-15, 50, 72, 73. Cellachan, king of Cashel, 26, 36-37. Chester, siege of, 12. Clontarf, battle of, 8-9, 54. Colla, 25.