Larson, A.A., Gratian's "Tractatus de penitentia". A new Latin edition with English translation, Washington (D.C.): The Catholic University of America Press 2016, ISBN: 978-0-8132-2867-9, xlviii + 311 pp.
Tierney, B., Liberty and Law. The Idea of Permissive Natural Law, 1100-1800, Washington (D.C.): CUA Press 2014, ISBN: 978-0-8132-2581-4, 400 pp.
Filosofáa del derecho
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Salonen, K. — Schmugge, L., A sip from the 'well of grace'. Medieval texts from the apostolic penitentiary, Washington (D.C.): Catholic University of America Press 2009, ISBN: 978-0-8132-1535-8, xi +196 pp.
Makowski, E., A Pernicious Sort of Woman: Quasi-Religious Women and Canon Lawyers in the Later Middle Ages, Washington (D.C.): The Catholic University of America Press 2005, ISBN: 0-1832-1392-4, XXXIII+170 pp.
Larson, A.A., Master of penance. Gratian and the development of penitential thought and law in the Twelfth Century, Washington (DC): The Catholic University of America Press 2014, ISBN: 978-0-8132-2168-7, xviii + 553 pp.
Tibbetts, S.A. — Mayali, L., The two laws : studies in medieval legal history dedicated to Stephan Kuttner / edited by Laurent Mayali and Stephanie A. J. Tibbetts, Washington: The Catholic University of America Press 1990, ISBN: 0 8132 0725 8, xii, 248 p. : ritr. ; 24 cm.
