Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Angles (tribe):

"

Another theory is that all or part of the Angles dwelt or moved among other coastal people, perhaps confederated up to the basin of the Saale (in the neighbourhood of the ancient canton of Engilin) on the Unstrut valleys below the Kyffhäuserkreis, from which region the Lex Anglorum et Werinorum hoc est Thuringorum is believed by many to have come.[4][5] The ethnic names of Frisians and Warines are also attested in these Saxon districts.[citation needed]