1. Military Theory and Practice in the Age of Xenophon
2. ‘Hellenistic kings, war, and economy’;Austin;Classical Quarterly,1986
3. Aymard, A. , ‘Mercenariat et l’histoire grecque’, Etudes d’histoire ancienne (Paris, Presses universitaires de France, 1967), pp. 487-98.
4. The Seleucid Army