Subject: Science
Title: Questions on physics (?)
Subject: Science
Title: Questiones primi physicorum'
Subject: Liturgy
Title: Missale
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Grammar
Title: Dictionary
Subject: Grammar
Title: Dictionary
Subject: Liturgy
Title: Psalterium
Subject: Biblica
Title: Commentary on Job
Subject: Liturgy
Title: Breviarium cum notis