Subject: Documentary
Place of production: England
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Canon Law
Title: Treatise on canon law
Subject: Biblica
Author of work: Petrus Lombardus
Title: Glossa in Epistolas Pauli
Subject: Biblica
Author of work: Hieronymus
Title: Comment. in Isaiam et Prophetas Minores