Thetford on Wikipedia.

St. Cuthbert. From an old postcard in Reg Dosell's Collection. A modern view, © Chris Emms (2009).

St. Peter. From an old postcard in Colin Waters' Collection. A modern view, © Chris Emms (2009).

The ruins of the Priory of Our Lady of Thetford (Cluniac). Another view. Both © James Murray. Link.