• List of illustrations; List of tables; Preface; List of abbreviations and Conspectus siglorum; 1. Gratian and the Decretum; 2. Heresy and excommunication: Causa 24; 3. Obedience or contempt: Causa 11, Questio 3; 4. The two recensions of the Decretum; 5. Gratian and Roman law; 6. The men behind the Decretum; Conclusion: medieval law and the Decretum; Appendix: the contents of the first recension of Gratian's Decretum; Bibliography; Index of cited passages in Gratian's Decretum; Index of papal letters; General index.

'… he deserves credit for not only breathing life into the two-recension theory, but articulating it in such a manner that it will now stand as the thesis to be argued against.' D'histoire Ecclésiastique

• List of illustrations; List of tables; Preface; List of abbreviations and Conspectus siglorum; 1. Gratian and the Decretum; 2. Heresy and excommunication: Causa 24; 3. Obedience or contempt: Causa 11, Questio 3; 4. The two recensions of the Decretum; 5. Gratian and Roman law; 6. The men behind the Decretum; Conclusion: medieval law and the Decretum; Appendix: the contents of the first recension of Gratian's Decretum; Bibliography; Index of cited passages in Gratian's Decretum; Index of papal letters; General index.

'… he deserves credit for not only breathing life into the two-recension theory, but articulating it in such a manner that it will now stand as the thesis to be argued against.' D'histoire Ecclésiastique

• List of illustrations; List of tables; Preface; List of abbreviations and Conspectus siglorum; 1. Gratian and the Decretum; 2. Heresy and excommunication: Causa 24; 3. Obedience or contempt: Causa 11, Questio 3; 4. The two recensions of the Decretum; 5. Gratian and Roman law; 6. The men behind the Decretum; Conclusion: medieval law and the Decretum; Appendix: the contents of the first recension of Gratian's Decretum; Bibliography; Index of cited passages in Gratian's Decretum; Index of papal letters; General index.

'… he deserves credit for not only breathing life into the two-recension theory, but articulating it in such a manner that it will now stand as the thesis to be argued against.' D'histoire Ecclésiastique