Subject: Civil Law
Author of work: Justinianus
Title: Codex Justiniani
Subject: Canon Law
Title: Treatise on canon law
Subject: Canon Law
Author of work: Guido de Baysio
Title: In Sextum librum decretalium
Subject: Liturgy
Title: Breviarium cum notis
Subject: Canon Law
Title: Comment. on canon law
Subject: Liturgy
Title: Missale
Subject: Liturgy
Title: Service book