Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Philosophy
Author of work: Aristoteles
Title: De generatione et corruptione
Subject: Theology
Title: Comment. on Sentences of Peter Lombard
Subject: Theology
Author of work: Petrus Lombardus
Title: Sententiae
Subject: Philosophy
Author of work: Aristoteles
Title: De caelo et mundo
Subject: Theology
Author of work: Petrus Lombardus
Title: Sententiae
Subject: Theology
Author of work: Petrus Lombardus
Title: Sententiae
Subject: Philosophy
Author of work: Aristoteles
Title: Meteora
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales