F. Vattioni,
Hatra. Naples: Istituto universitario orientale di Napoli, 1996.
A. Maricq,
“Hatra de Sanatruq”,
Syria, vol. 32, no. 3, pp. 273-288, 1955.
H. J. W. Drijvers,
“Hatra, Palmyra, und Edessa”, in
Aufstieg und Niedergang der römischen Welt 2, Principat, vol. 8, Berlin ; New York: Walter de Gruyter, 1977, pp. 837–896, 899–904.
C. Rabin,
“Hebrew and Aramaic in the First Century”, in
The Jewish people in the first century: historical geography, political history, social, cultural and religious life and institutions, vol. 2, 2 vol.,
S. Safrai and Stern, M., Eds. Assen: Van Gorcum, 1976, pp. 1037–1039.
J. Naveh,
“Hebrew and Aramaic in the Persian Period”, in
The Cambridge history of Judaism. Introduction: The Persian period,
W. David Davies and Finkelstein, L., Eds. Cambridge: Cambridge University Press, 1984, pp. 115–129.
R. Zadok,
“On the Historical Background of the Sefire Treaty”,
Annali dell'istituto universitario orientale di Napoli, vol. 44, pp. 529–538, 1984.
A. Sprenger, Ed.,
Historical encyclopaedia : entitled "Meadows of gold and mines of gems", vol. 1. London: Printed for the Oriental Translation Fund of Great Britain and Ireland, 1841.