Subject: Philosophy
Author of work: Bartholomaeus Anglicus
Title: De proprietatibus rerum
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Canon Law
Title: Commentary on Decretals
Subject: Canon Law
Title: Decretales
Subject: Canon Law
Author of work: Gratianus
Title: Decretum Gratiani
Subject: Canon Law
Author of work: Gratianus
Title: Decretum Gratiani
Subject: Theology
Author of work: Ambrosius ps.
Title: De conflictu vitiorum et virtutum
Subject: Canon Law
Title: Commentary on Decretals
Subject: Canon Law
Title: Commentary on Decretals
Subject: Philosophy
Author of work: Aristoteles
Title: De caelo et mundo