Riches, T.  (2010).  The Peace of God, the 'weakness' of Robert the Pious and the struggle for the German throne. 1023-1025. Early Medieval Europe, 18(2), 202-222.

Riches, T.  (2007).  Bishop Gerard I of Cambrai-Arras, the Three Orders, and the Problem of Human Weakness. In J. S.  Ott & Trumbore Jones, A. (Red.), The Bishop Reformed. Studies of Episcopal Power and Culture in the Central Middle Ages. Aldershot: Routledge.

Riches, T.  (2007).  Episcopal Historiography as Archive. Some Reflections on the Autograph of the Gesta Episcoporum Cameracensium (Ms Den Haag KB 75 F 15). Jaarboek voor Middeleeuwse Geschiedenis, 10, 7-46.