Subject: Canon Law
Title: Commentary on Decretals
Subject: Liturgy
Title: Breviarium
Subject: Canon Law
Title: Treatise on canon law
Subject: Liturgy
Title: Breviarium (?) cum notis
Subject: Logic
Title: Treatise on logic
Subject: Canon Law
Author of work: Guido de Baysio
Title: Comment. in Sextum librum decretalium
Subject: Liturgy
Title: Breviarium cum notis
Subject: Liturgy
Title: Breviarium cum notis
Subject: Liturgy
Title: Breviarium
Subject: Sermons
Title: Index to a collection of 90 or more homilies