"Prosopography of Anglo-Saxon England". Department of History and the Centre for Computing in the Humanities, at King's College, London, and in the Department of Anglo-Saxon, Norse, and Celtic, at the University of Cambridge. Retrieved 28 August 2013.
domesday.pase.ac.uk
"Prosopography of Anglo-Saxon England". Department of History and the Centre for Computing in the Humanities, at King's College, London, and in the Department of Anglo-Saxon, Norse, and Celtic, at the University of Cambridge. Retrieved 21 January 2014.