William Rothwell, Le tretiz / Walter de Bibbesworth, Anglo-Norman Text Society, Plain Texts Series, 6, Londres, Anglo-Norman Text Society, 2009
CR Hesketh in MLR 106, 2011, p. 550-51; CR Schmitt in ZrPh 127, 2011, p.378-380; CR Arens in Vox Romanica 70, 2011, p.325-327