Bologna: Pepo, Irnerius,
Emperor Justinian’s (535-565 A.D.) Corpus iuris civilis
Libri legales (Legal Books)
Detail of the Sarcophagus of the Jurist Johannes Legnano (Bologna)
Papal case law, decretals
Papal case law was a living law and provided a rich and varied set of problems that the jurists explored in their commentaries and in the classroom.