Subject: Liturgy
Title: Graduale
Subject: Liturgy
Title: Graduale
Subject: Liturgy
Title: Graduale (?)
Subject: Canon Law
Title: Index to Decretum Gratiani
Subject: Biblica
Author of work: Gregorius I
Title: Homiliae in Ezechielem
Subject: Theology
Author of work: Henricus de Gandavo
Title: Quodlibeta
Subject: Canon Law
Author of work: Guido de Baysio
Title: Comment. in Sextum librum Decretalium
Subject: Liturgy
Title: Graduale
Subject: Classics
Author of work: Vergilius
Title: Georgica
Subject: Liturgy
Title: Graduale