Roger Bacon : essays contributed by various writers on the occasion of the commemoration of the seventh centenary of his birth / collected and ed. by A. G. Little. - Little, Andrew George, 1863-1945. (OLS)http://pul/name/16311; Bacon, Roger, O.F.M., c. 1214-1294. (OLS)http://pul/name/16310 (Clarendon press, 1914)
Contributo di autori vari.

Regulae iuris : from juristic rules to legal Maxims / Peter Stein. - Stein, Peter, 1926- (OLS)http://pul/name/7940 (At the University press, 1966)
"Index": pp. 188-206.
Bibliografia a piè pagina.