Њукасл на Тајну — разлика између измена

* {{Cite book |ref= harv|last= Welch|first= George Patrick|authorlink= |coauthors= |title= Britannia, the Roman Conquest and Occupation of Britain|year= 1963|url= http://books.google.co.uk/books?id=-MkgAAAAMAAJ|publisher= Wesleyan University Press|location= |id= |ref=harv}}