See David Stronach, Pasargadae. A report on the excavations conducted by the British Institute of Persian Studies from 1961 to 1963 (Oxford, 1978), pp. 95–97; and “On the Genesis of the Old Persian Cuneiform Script,” in Contribution à l’histoire de l’Iran: mélanges offerts à Jean Perrot, ed. F. Vallat (Paris, 1990), pp. 195–203.