Rujukan Celt

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  • James, Simon. The Atlantic Celts - Ancient People Or Modern Invention? University of Wisconsin Press: Madison, August 1999. ISBN 0299166740.
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  • Ward-perkins, Bryan. "Why Did The Anglo-Saxons Not Become More British?" English Historical Review, June 2000.
  • Weale, M. Y Chromosome Evidence For Anglo-Saxon Mass Migration. Society For Molecular Biology And Evolution. 2002
  • Article On Study Re Celtic PopulationCristian Capelli, David Goldstein and others at University College London. http://web.archive.org/web/20120125165821/http://www.iht.com/cgi-bin/generic.cgi?template=articleprint.tmplh&ArticleId=97790