Tractatus Syncategorematum and selectes anonymous treatises / Peter of Spain ; translated by Joseph P. Mullally ; with an introduction by Joseph P. Mulally...and Roland Houde.. - Iohannes PP. XXI, 1226-1277. (OLS)http://pul/name/13041; Houde, Roland. (OLS)http://pul/name/38177; Mullally, Joseph P. (OLS)http://pul/name/51528 (Marquette University Press, 1964)
Bibliografia in nota.