Subject: Canon Law
Title: Commentary on Decretum
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Logic
Title: Vetus logica (Boethius, De differentiis topicis)
Subject: Philosophy
Author of work: Plato
Title: De republica (interprete P. Candido Decembrio)