Subject: Philosophy
Title: Comment. on Aristotle, De caelo et mundo
Subject: Canon Law
Author of work: Guido de Baysio
Title: Comment. in Sextum librum Decretalium
Subject: Canon Law
Author of work: Gratianus
Title: Decretum
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Philosophy
Author of work: Petrus Berchorius
Title: Repertorium morale
Subject: Civil Law
Author of work: Justinianus
Title: Digestum vetus
Subject: Canon Law
Author of work: Johannes Andreae
Title: In Sextum librum decretalium
Subject: Canon Law
Author of work: Johannes Andreae
Title: In Sextum librum decretalium