V. Grumel,
La chronologie. Paris: Presses Universitaires de France, 1958.
J. Walker,
“The Coins of Hatra”,
The Numismatic Chronicle and Journal of the Royal Numismatic Society, vol. 18, pp. 167-172, 1958.
A. Vööbus,
A History of Asceticism in the Syrian Orient (I), vol. 1, 3 vol. Louvain: Secretariat du Corpus Scriptorum Christianorum Orientalium, 1958.
I. O. de Urbina,
Patrologia Syriaca. Rome: Pontifical Institute, 1958.