Subject: Medicine
Title: Medicine
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Canon Law
Author of work: Johannes Andreae
Title: Comment. in Sextum librum Decretalium
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: Theology
Author of work: Bernardus Clarevallensis
Title: Meditationes, &c.
Subject: Canon Law
Title: Index to Decretum Gratiani
Subject: Civil Law
Author of work: Roffredus
Title: Summa de ordine judiciorum