E.J. Pilcher, “The Date of the Siloam Inscription,” Proceedings of the Society of Biblical Archaeology 19 (1897), pp. 165–182; S.A. Cook, “The Old Hebrew Alphabet and the Gezer Tablet,” Palestine Exploration Fund Quarterly Statement 41 (1909), pp. 284–309; and W. Caspari, “Die Siloainschrift, ein Werk der nachexilischen Renaissance,” Neue kirchliche Zeitschrift 22 (1911), pp. 873–934.