Ott, J. S.  (2007).  'Both Mary and Martha': Bishop Lietbert of Cambrai and the Construction of Episcopal Sanctity in a Border Diocese around 1100. In J. S.  Ott & Trumbore Jones, A. (Red.), The Bishop Reformed. Studies of Episcopal Power and Culture in the Central Middle Ages (pp. 137-160). Routledge: Aldershot.