Roma, Pontificia Universita Gregoriana 1970 xliv + 495pp. + 36 bl/w illustrations out of text, in the series "Analecta Gregoriana" volume 169 (series Facultatis Historiae Ecclesiasticae, sectio B" no.27, 25cm., softcover, small stamp on titlepage, text in Italian, good condition, weight: 1.2kg., R106607