Proceedings of the Second International Congress of Medieval Canon Law : Boston College, 12-16 August 1963 / edited by Stephan Kuttner and J. Joseph Ryan. - International Congress of Medieval Canon Law (2nd : 1963 : Boston). (OLS)http://pul/name/9642; Ryan, John Joseph. (OLS)http://pul/name/9643; Kuttner, Stephan, 1907-1996. (OLS)http://pul/name/4845 (S. Congregatio de Seminariis et Studiorum Universitatibus, 1965)