The likeness of King Elfwald : a study of Northumbria and Iona at the beginning of the Viking Age /
Collingwood, W. G.(William Gershom),1854-1932.
Lampeter, Dyfed : Llanerch,
1990.
Facsimile reprint ... of the Titus Wilson (Kendal) ed. of 1917.
Includes bibliographical references.
Elfwald II, King of Northumbria.