Subject: Canon Law
Author of work: Innocentius IV
Title: In Decretales
Subject: Biblica
Title: Comment. on Matthew
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Philosophy
Title: Commentary on Aristotle's Ethics
Subject: Philosophy
Author of work: Aristoteles
Title: Metaphysica
Subject: Canon Law
Title: Canon law
Subject: Medicine
Title: Medicine
Subject: Philosophy
Author of work: Aristoteles
Title: Physica
Subject: Philosophy
Title: Scholastic philosophy
Subject: Pastoralia
Title: A penitential 'summa' (?)