RafaƂ Taubenschlag, "The text of the Constitutio Antoniniana and three other decrees of the Emperor Caracalla contained in papyrus Gissensis 40", F. N. Heichelheim, "Journal of Egypt. Arch.", XXVI, 1941 : [recenzja] , The Journal of Juristic Papyrology, 1946, 1, , s. 82