References

The following works have been used in producing this site. 

General

• Jackson, K. (1953) Language and History in Early Britain, Edinburgh University Press
• Koch, JT.(ed.) (2006) Celtic Culture: a historical encyclopedia, ABC-CLIO Ltd.
• Matasović, R. (2009) Etymological Dictionary of Proto-Celtic, Koninklijke Brill NV, Leiden
• Price, G. (ed.) (2000) Languages in Britain and Ireland, Blackwell, Oxford
• Schrijver, P. (1995) Studies in British Celtic Historical Phonology, Rodopi, Amsterdam

Place Names

• Ekwall, E. (1960) The Concise Oxford Dictionary of English Place-Names, 4th edition, OUP
• Lee, J. (1998) The Place Names of Cumbria, Cumbria Heritage Services, Carlisle
• Mills, AD. (1991) A Dictionary of British Place-Names, OUP
• Nicolaisen, WHF. (1976) Scottish Place-Names, BT Batsford Ltd, London
• Watson, W.J. (1926) The Celtic Place-Names of Scotland, Birlinn, Edinburgh
• Weatherhill, C. (2009) A Concise Dictionary of Cornish Place-Names, Evertype, Co. Mhaigh Eo.

History

• Phythian-Adams, C. (1996) Land of the Cumbrians, Scolar Press, Aldershot
• Rollason, D. (2003) Northumbria 500-1100: Creation and destruction of a kingdom, CUP

Other Languages

• Bock, A. et al (2012) Gerlyver an FSS, Maga, Truro
• Fargher, DC. (1979) Fargher's English-Manx Dictionary, Shearwater Press, IOM
• Goodwin, E. (1997) First Lessons in Manx, revised edition, Yn Cheshaght Ghailckagh, IOM
• Henry, V. (1900) Lexique Étymologique du Breton Moderne, Rennes
• Hemon, R. & Everson, M. (trans.) (2007) Breton Grammar, 2nd edition, Evertype, Co. Mhaigh Eo
• McLeod WT. (ed.) (1957) Collins Gem Latin Dictionary, William Collins Sons & Co. Ltd
• Mac Mathúna, S. & Ó Corráin, A. (eds.) (1995) Collins Gem Irish Dictionary, HarperCollins Publishers
• Meurig Evans, H. & Thomas, WO. (eds.) (1953) Y Geiriadur Newydd, Christopher Davies, Swansea
• Mitchell, B. & Robinson, FC. (1986) A Guide to Old English, 4th edition, Basil Blackwell Ltd, Oxford
• Morris Jones, J. (1913) A Welsh Grammar Historical and Comparative, Clarendon, Oxford
• Williams, SJ. (1980) A Welsh Grammar, University of Wales Press
• An Stòr-dàta Briathrachais Gàidhlig at http://www2.smo.uhi.ac.uk/gaidhlig/faclair/sbg/, accessed 2011-2014
• Electronic Dictionary of the Irish Language at http://edil.qub.ac.uk, accessed 2013-14