Subject: Liturgy
Title: Antiphonale (or Breviarium)
Subject: Civil Law
Author of work: Justinianus
Title: Codex Justiniani
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: Civil Law
Author of work: Justinianus
Title: Digestum vetus