Subject: Liturgy
Title: Graduale
Subject: Liturgy
Title: Graduale
Subject: Liturgy
Title: Graduale
Subject: Liturgy
Title: Graduale
Subject: Prayers
Title: Meditative prayer
Subject: Pastoralia
Author of work: Johannes de Burgo
Title: Pupilla oculi
Subject: Canon Law
Title: Sextus liber decretalium
Subject: Epistolae
Author of work: Petrus de Vineis
Title: Epistolae