Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Philosophy
Author of work: Aristoteles
Title: Analytica posteriora
Subject: Philosophy
Author of work: Aristoteles
Title: Analytica posteriora (?)
Subject: Philosophy
Author of work: Aristoteles
Title: Meteora
Subject: Philosophy
Author of work: Aristoteles
Title: Meteora
Subject: Philosophy
Title: Commentary on the Meteora of Aristotle
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