Subject: Philosophy
Author of work: Aristoteles
Title: De caelo et mundo (liber 3) cum comment. Averrois
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Canon Law
Title: Liber sextus Decretalium
Subject: Canon Law
Title: Liber sextus Decretalium
Subject: Canon Law
Author of work: G. de Baysio
Title: Comment. in Decretum Gratiani
Subject: Canon Law
Title: Index to Decretum Gratiani
Subject: Grammar
Author of work: Alexander de Villa Dei
Title: Doctrinale
Subject: Canon Law
Author of work: Gratianus
Title: Decretum Gratiani
Subject: Philosophy
Title: Commentary on Aristotle, De anima
Subject: Logic
Title: Vetus logica (Boethius, De differentiis topicis)