Subject: Canon Law
Title: Treatise on canon law
Subject: Theology
Title: De passione Christi
Subject: Liturgy
Title: Missale
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Canon Law
Title: Comment. on canon law
Subject: Theology
Author of work: Thomas Aquinas
Title: Expositio quarti libri Sententiarum
Subject: Theology
Author of work: Thomas Aquinas
Title: Expositio quarti libri Sententiarum
Subject: Theology
Title: Theology
Subject: Civil Law
Title: Comment. on Codex Justiniani
Subject: Theology
Title: Theology