Title: Regesta pontificum romanorum
Subtitle: Italia pontificia : sive, repertorium privilegiorum et litterarum a romanis pontificibus ante annum MCLXXXXVIII Italiae ecclesiis, monasteriis, civitatibus singulisque personis concessorum
Subjects: Sources, History, Catholic Church, Papacy, Church history, Middle Ages
Time periods: Middle Ages, 600-1500