Subject: Liturgy
Title: Graduale (?)
Subject: Liturgy
Title: Missale (?)
Subject: Sermons
Title: Sermones
Subject: Canon Law
Title: Constitutiones Clementinae
Subject: Theology
Author of work: Gregorius I
Title: Moralia
Subject: Moral philosophy
Author of work: Petrus Berchorius
Title: Repertorium morale
Subject: Vitae sanctorum
Author of work: Jacobus de Voragine
Title: Legenda sanctorum
Subject: Philosophy
Author of work: Alexander Nequam
Title: De natura rerum
Subject: Civil Law
Author of work: Justinianus
Title: Digestum vetus
Subject: Liturgy
Title: Graduale