RafaƂ Taubenschlag, "The Veterans and Praefectus castrorum of the II Traiana in A.D. 157", J. F. Gilliam, "Amer. Journ. Philol.", LXXVII, 1956, 4 : [recenzja] , The Journal of Juristic Papyrology, 1957-1958, 11-12, , s. 341