Chapter 3. Trim before 1224: New Thoughts on the caput of de Lacy Lordship in Ireland - O'Keeffe, Tadhg (Duffy, Paul (edt), O'Keeffe, Tadhg (edt), Picard, Jean-Michel 1952- (edt), From Carrickfergus to Carcassonne: the epic deeds of Hugh de Lacy during the Albigensian crusade = De Carrickfergus à Carcassonne : la geste épique d'Hugues de Lacy au temps de la croisade des Albigeois, 2017)