Stevenson John, The Plantagenet administration of Normandy, 1144-1204
Stevenson John, The Plantagenet administration of Normandy, 1144-1204, (dir. D. Power, Swansea University) En cours depuis 2013/In preparation since 2013 Aucun résumé retrouvé/No abstract available [Source : http://www.history.ac.uk/history-online/theses/thesis/in-progress/plantagenet-administration-normandy-1144-1204]