RT Article T1 Cephalon, a new Coptic Martyr JF Studies in philology in honour of Ronald James Williams SP 113 OP 124 A1 Pietersma, Albert 1935- A1 Turner Comstock, Susan A2 Kadish, Gerald E. A2 Freeman, Geoffrey E. A2 Williams, Ronald J. 1917-1993 LA English PB Soc. for the Study of Egyptian Antiquities YR 1982 UL https://www.ixtheo.de/Record/1588695603 SN 092016806X K1 Kopten