Subject: History
Author of work: Geoffrey of Monmouth
Title: Historia Britonum
Subject: Liturgy
Title: Breviarium cum notis
Subject: Liturgy
Title: Breviarium cum notis
Subject: Canon Law
Author of work: Gratianus
Title: Decretum Gratiani
Subject: Canon Law
Author of work: Gratianus
Title: Decretum Gratiani
Subject: Theology
Author of work: Gregorius I
Title: Moralia