Subject: Canon Law
Title: Commentary on Antiqua compilatio decretalium I
Subject: Theology
Title: Commentary on Sentences (?)
Subject: Liturgy
Title: Sequentiae
Subject: Encyclopaedia
Author of work: Rabanus Maurus
Title: De natura rerum
Subject: Canon Law
Author of work: Gratianus
Title: Decretum Gratiani
Subject: Liturgy
Title: Lectionarium
Subject: Liturgy
Title: Breviarium cum notis
Subject: Liturgy
Title: Breviarium
Subject: Liturgy
Title: Breviarium
Subject: Theology
Author of work: Petrus Lombardus
Title: In Epistolas Pauli