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
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Grammar
Author of work: Eberhardus Bethunensis
Title: Graecismus
Subject: Theology
Author of work: Gregorius I
Title: Moralia
Subject: Grammar
Title: Grammar/figures of speech