{{Refbegin}}
* {{Citation
|last=Frere
|first=Sheppard Sunderland
|author-link=Sheppard Frere
|year=1987
|title=Britannia: A History of Roman Britain
|edition=3rd, revised
|publisher=Routledge & Kegan Paul
|publication-date=1987
|publication-place=London
|pages=
|isbn=0-7102-1215-1
}}
* {{Citation
|year=1841
|editor-last=Giles
|editor-first=John Allen
|editor-link=John Allen Giles
|contribution=The Works of Gildas
|contribution-url=https://books.google.com/books?id=3R1mCE7p44MC&pg=PA1
|title=The Works of Gildas and Nennius
|publisher=James Bohn
|publication-date=1841
|publication-place=London
|pages=
|url=
}}
* {{Citation
|last=Higham
|first=Nicholas
|year=1992
|title=Rome, Britain and the Anglo-Saxons
|publisher=B. A. Seaby
|publication-date=1992
|publication-place=London
|pages=
|isbn=1-85264-022-7
}}
* {{Citation
|last1=Jones
|first1=Barri
|last2=Mattingly
|first2=David
|year=1990
|title=An Atlas of Roman Britain
|publisher=Blackwell Publishers
|publication-date=2007
|publication-place=Cambridge
|pages=
|isbn=978-1-84217-067-0
}}
* {{Citation
|last=Laing
|first=Lloyd
|year=1975
|contribution=
|title=The Archaeology of Late Celtic Britain and Ireland, c. 400–1200 AD
|publisher=Book Club Associates
|publication-date=1977
|publication-place=Frome
|pages=
|isbn=
}}
* {{Citation
|last=Mattingly
|first=David
|author-link=David Mattingly (author)
|year=2006
|contribution=
|title=An Imperial Possession: Britain in the Roman Empire
|publisher=Penguin Books
|publication-date=2007
|publication-place=London
|pages=
|isbn=978-0-14-014822-0
}}
* {{Citation
|last=Snyder
|first=Christopher A.
|author-link=Christopher Snyder
|year=1998
|title=An Age of Tyrants: Britain and the Britons A.D. 400–600
|publisher=Pennsylvania State University Press
|publication-date=1998
|publication-place=University Park
|pages=
|isbn=0-271-01780-5
}}
* {{Citation
|last=Snyder
|first=Christopher A.
|author-link=Christopher Snyder
|year=2003
|title=The Britons
|publisher=Blackwell Publishing
|publication-date=2003
|publication-place=Malden
|pages=
|isbn=978-0-631-22260-6
}}
{{Refend}}
Historie