Subject: Music
Title: Polyphonic music
Subject: Canon Law
Author of work: Guido de Baysio
Title: Comment. in Sextum librum Decretalium
Subject: Canon Law
Author of work: Gratianus
Title: Decretum
Subject: Medicine
Title: Medicine
Subject: Theology
Title: Comment. on Apocalypse
Subject: Classics
Author of work: Seneca
Title: Tragoediae
Subject: Liturgy
Title: Graduale
Subject: Theology
Author of work: Haimo
Title: In Epistolas Pauli
Subject: Logic
Title: Logic (?)
Subject: Biblica
Author of work: Petrus Lombardus
Title: Glossa in Epistolas Pauli