Subject: Common law
Author of work: Ranulf de Glanville
Title: Tractatus de legibus
Subject: Liturgy
Title: Graduale
Subject: Canon Law
Author of work: Gratianus
Title: Decretum Gratiani
Subject: Liturgy
Title: Graduale
Subject: Canon Law
Author of work: Gratianus
Title: Decretum Gratiani
Subject: Liturgy
Title: Graduale
Subject: Theology
Author of work: Gregorius I
Title: Moralia
Subject: Liturgy
Title: Graduale
Subject: Canon Law
Author of work: Gescelinus
Title: Comment. in constitutiones Clementinas
Subject: Theology
Author of work: Gregorius I
Title: De cura pastorali