Hanssens, Jean Michel Orientalia Christiana Analecta No 155: La Liturgie D`hippolyte - Romae Pontificium Institutum Studiorum Orientalium 1965 - 594p - Orientalia Christiana Analecta; 196500ENGGPS1 . includes index and biblioraphy ISBN: 0 Dewey Class. No.: D97 / OR420