Studia Gratiana: post octava decreti saecularia auctore Consilio commemorationi Gratianae instruendae edita / 15 Post scripta : essays on medieval law and the emergence of the European state in honor of Gaines Post / ed. by Joseph R. Strayer and Donald E. Queller - Forchielli, Giuseppe; Strayer, Joseph Reese; Post, Gaines; Queller, Donald E. (Studia Gratiana post octava decreti saecularia auctore Consilio commemorationi Gratianae instruendae edita, 1972)