Subject: Canon Law
Author of work: Gratianus
Title: Decretum
Subject: Vitae sanctorum
Author of work: Jacobus de Voragine
Title: Legenda sanctorum
Subject: History
Author of work: Ranulphus Higden
Title: Polychronicon
Subject: Canon Law
Title: Treatise on canon law
Subject: Canon Law
Title: Canon law
Subject: Civil Law
Author of work: Justinianus
Title: Digestum vetus