Subject: Philosophy
Author of work: Boethius
Title: De consolatione philosophiae, cum comment. Nicholai Trivet
Subject: Liturgy
Title: Antiphonale (or Breviarium)
Subject: Sermons
Author of work: Bernardus Clarevallensis
Title: Sermones super Cantica canticorum
Subject: Sermons
Author of work: Leo I Papa
Title: Sermones
Subject: Music
Title: Polyphonic music
Subject: Theology
Title: theological questions
Subject: Grammar
Author of work: Johannes Balbus
Title: Catholicon
Subject: Sermons
Author of work: Gaudentius
Title: Sermones
Subject: Civil Law
Title: Comment. on civil law
Subject: Philosophy
Title: Comment. on Aristotle, De anima