Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Philosophy
Title: Questiones super libros de generacione et corrupcione', &c.
Subject: Philosophy
Title: Comment. on Aristotle, De generatione et corruptione
Subject: Canon Law
Title: Comment. on decretals
Subject: Canon Law
Title: Comment. on decretals
Subject: Philosophy
Author of work: Aristoteles
Title: De generatione et corruptione
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Philosophy
Author of work: Aristoteles
Title: De juventute et senectute
Subject: Canon Law
Author of work: Gratianus
Title: Decretum Gratiani
Subject: Theology
Title: Comment. on Sentences of Peter Lombard