Subject: Philosophy
Title: On predicaments
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Liturgy
Title: Breviarium
Subject: Theology
Author of work: Hieronymus
Title: In Prophetas Minores
Subject: Canon Law
Title: Treatise on canon law
Subject: Canon Law
Title: Commentary on Decretals
Subject: Canon Law
Title: Commentary on Decretals
Subject: Grammar
Title: Grammatical treatise
Subject: Liturgy
Title: Breviarium
Subject: Liturgy
Title: Breviarium cum notis