Subject: Canon Law
Title: Commentary on canon law
Subject: Grammar
Author of work: Alexander de Villa Dei
Title: Doctrinale
Subject: Canon Law
Title: Treatise on canon law
Subject: Canon Law
Author of work: Gratianus
Title: Decretum Gratiani
Subject: Canon Law
Title: Questions on canon law
Subject: Grammar
Author of work: Johannes Balbus
Title: Catholicon
Subject: Philosophy
Title: Commentary on Aristotle, De anima
Subject: Civil Law
Author of work: Justinianus
Title: Digestum novum
Subject: Theology
Author of work: Henricus de Gandavo
Title: Quodlibeta
Subject: Biblica
Title: Concordantiae Bibliae