Hereward the siege of the Isle of Ely and involvement of Peterborough and Ely monasteries together with De gestis Herewardi Saxonis (The exploits of Hereward the Saxon) /
Bevis, Trevor Allen.
Bevis, Trevor Allen.De gestis Herewardi Saxonis.
March Westrydale Press
c1982
Hereward originally published: 1979
Hereward, active 1071.