The Inquisition A Critical and Historical Study of the Coercive Power of the Church
CHAPTER IV FOURTH PERIOD (FROM GRATIAN TO INNOCENT III). THE
INFLUENCE OF THE CANON LAW, AND THE REVIVAL OF THE ROMAN LAW.
Executions of Heretics The Death Penalty for Heretics Legislation of Popes Alexander III and Lucius III and Frederic Barbarossa against Heretics Legislation of Innocent III The First Canonists