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: Willelmus de Montibus
Title: Proverbia
Subject: Theology
Author of work: Willelmus de Montibus
Title: Similitudines
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Liturgy
Title: Missale
Subject: Liturgy
Title: Breviarium
Subject: Philosophy
Author of work: Boethius
Title: Topica
Subject: Liturgy
Title: Consecration of a church (from a pontifical?)