Editing Brittonic languages (section)

===Sources===
*{{cite book |last=Alinei |first=Mario |date=1996 |title=Origini delle lingue d'Europa |volume=1: La teoria della continuità |language=it |location=Bologna |publisher=Il Mulino |isbn=9788815077158}}
*{{cite book |last=Alinei |first=Mario |date=2000 |title=Origini delle lingue d'Europa |volume=2: Continuità dal Mesolitico all'età del Ferro nelle principali aree etnolinguistiche |language=it |location=Bologna |publisher=Il Mulino |isbn=9788815073860}}
*{{cite book |last1=Dillon |first1=Myles |author1-link=Myles Dillon |last2=Chadwick |first2=Nora K. |author2-link=Nora K. Chadwick |date=1967 |title=Celtic Realms |location=London |publisher=[[Weidenfeld & Nicolson]]}}
*{{cite book |last1=Filppula |first1=M. |last2=Klemola |first2=J. |last3=Pitkänen |first3=H. |date=2001 |title=The Celtic Roots of English |series="Studies in Languages" series |volume=37 |publisher=[[University of Joensuu]], Faculty of Humanities |isbn=952-458-164-7}}
*{{cite book |last=Hawkes |first=J. |date=1973 |title=The First Great Civilizations: Life in Mesopotamia, the Indus Valley and Egypt |series="The History of Human Society" series |location=London |publisher=Hutchinson |isbn=0-09-116580-6}}
*{{cite book |last=Jackson |first=Kenneth H. |author-link=Kenneth H. Jackson |date=1953 |title=Language and history in Early Britain: A Chronological Survey of the Brittonic Languages, 1st to 12th c. A.D. |series="Celtic Studies" series |location=Dublin |publisher=[[Four Courts Press]] |isbn=1-85182-140-6}}
*{{cite book |last=Jackson |first=Kenneth H. |author-link=Kenneth H. Jackson |date=1955 |contribution=The Pictish Language |editor-last=Wainwright |editor-first=F. T. |title=The Problem of the Picts |location=Edinburgh |publisher=Nelson |pages=129–166}}
*{{cite book |last=Schrijver |first=Peter |author-link=Peter Schrijver |date=1995 |title=Studies in British Celtic Historical Phonology |location=Amsterdam |publisher=Rodopi |isbn=90-5183-820-4}}
*{{cite book |last=Willis |first=David |date=2009 |contribution=-Old and Middle Welsh |editor1-last=Ball |editor1-first=Martin J. |editor2-last=Müller |editor2-first=Nicole |title=The Celtic Languages |pages=117–160 |edition=2nd |series="Language Family" series |location=New York |publisher=[[Routledge]] |isbn=978-0-203-88248-1}}
*{{cite book |last=Driscoll |first=S. T. |date=2011 |contribution=Pictish archaeology: pPersistent problems and structural solutions |editor1-last=Driscoll |editor1-first=S. T. |editor2-last=Geddes |editor2-first=J. |editor3-last=Hall |editor3-first=M. A. |title=Pictish Progress: New Studies on Northern Britain in the Early Middle Ages |location=Leiden / Boston |publisher=[[Brill Publishers|Brill]] |pages=245–279}}