Subject: Theology
Author of work: Gregorius I
Title: Homiliae in Evangelia
Subject: Theology
Author of work: Gregorius I
Title: Homiliae in Ezechielem
Subject: Science
Title: Questions on motion
Subject: Liturgy
Title: Horae
Subject: Liturgy
Title: Breviarium
Subject: Philosophy
Title: Natural philosophy (Aristotle?)
Subject: Liturgy
Title: Processionale
Subject: Liturgy
Title: Breviarium