مار سابا
Scholars Philip Jenkins and Robert M. Price noticed parallels between The Secret Gospel of Mark and a novel by James Hunter published in 1940 entitled "The Mystery of Mar Saba". In 1980 the Mar Saba letter was included in the revision of the standard edition of works of Clement of Alexandria: Otto Stählin and Ursula Treu, "Clemens Alexandrinus", vol. 4.1: Register, 2nd ed. (Berlin:Akademie-Verlag, 1980), XVII–XVIII.