The Nuttall Encyclopedia
A Saxon, notorious for his treachery, fighting now with his countrymen against the Danes and now with the Danes against them, till put to death by order of Canute in 1017.
Wood, James, ed. Entry for 'Eadric'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/e/eadric.html. Frederick Warne & Co Ltd. London. 1900.