Heresy, Crusade and Inquisition in Medieval Quercy

Investigation of the development of the Cathar heresy in south-west France, looking at how and why its growth differed across the regions. The medieval county of Quercy in Languedoc lay between the Dordogne and the Toulousain in south-west France; it played a significant role in the history of Catharism, of the Albigensian crusade launched against the heresy in 1209,and of the subsequent inquisition. Although Cathars had come to dominate religious life elsewhere in Languedoc during the course of