Subject: Theology
Author of work: Gregorius I
Title: Moralia
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Biblica
Author of work: Petrus Lombardus
Title: Glossa in Epistolas Pauli
Subject: Liturgy
Title: Graduale
Subject: Sermons
Author of work: Guido Ebroicensis
Title: Sermones
Subject: Grammar
Title: Grammar (?)
Subject: Law
Title: Glossed law book
Subject: Liturgy
Title: Graduale
Subject: Biblica
Title: Glossed Bible
Subject: Liturgy
Title: Graduale