Library / AuthorsPseudo-Isidore (Isidorus Mercator)Activefl. c. 847–857Also known asPseudo-Isidore1 workEnglishThe Decretals (Pseudo-Isidorian Epistles and Decrees of Zephyrinus, Callistus, Urban I, Pontianus, Anterus and Fabian) · Ante-Nicene Fathers · c. 850