Subject: Theology
Author of work: Henricus de Gandavo
Title: Quodlibeta
Subject: Liturgy
Title: Graduale
Subject: Canon Law
Author of work: Gratianus
Title: Decretum Gratiani
Subject: Liturgy
Title: Graduale
Subject: Liturgy
Title: Graduale
Subject: Theology
Author of work: Gregorius I
Title: De cura pastorali
Subject: Canon Law
Author of work: Guido de Baysio
Title: Comment. in Sextum librum decretalium
Subject: Liturgy
Title: Graduale
Subject: Medicine
Author of work: Johannes Gaddesden
Title: Rosa medicina
Subject: Biblica
Author of work: Nicholaus de Lyra
Title: Postillae super Genesim