Religious Movements in the Middle Ages: The Historical Links between Heresy, the Mendicant Orders, and the Women's Religious Movement in the Twelfth and Thirteenth Century with the Historical Foundations of German Mysticism

A historiography of medieval religious life, describing a lay religious movement of the 11th/12th centuries that emphasised lifestyle rather than doctrine. The religious groups that developed and solidified out of this movement were considered heterodox by some standards, orthodox by others.