Subject: Canon Law
Title: Treatise on canon law
Subject: Civil Law
Title: Treatise on civil law
Subject: Virtuta
Title: Treatise on vices
Subject: Computus
Title: Treatise on Computus
Subject: Philosophy
Title: Treatise on natural philosophy
Subject: Music
Title: Treatise on music
Subject: Politics
Title: Treatise on politics (?)
Subject: Canon Law
Title: Treatise on canon law