Subject: Theology
Author of work: Augustinus
Title: De doctrina christiana
Subject: Canon Law
Author of work: Johannes Andreae
Title: Comment. in Sextum librum Decretalium
Subject: Canon Law
Author of work: Gratianus
Title: Decretum
Subject: Canon Law
Title: Index to Decretum Gratiani
Subject: Canon Law
Title: Index to Decretum Gratiani
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