@inbook {7435, title = {Severus{\textquoteright} Letter to John the Roman}, booktitle = {Erkenntnisse und Meinungen II }, year = {1978}, pages = {53{\textendash}75}, publisher = {Wiesbaden Harrassowitz}, organization = {Wiesbaden Harrassowitz}, address = {Wiesbaden}, author = {Sebastian P. Brock}, editor = {G. Wiessner} }