Henry Speck, "Alexander at the Persian Gates. A Study in Historiography and Topography" in: American Journal of Ancient History n.s. 1.1 (2002) 15-234; riassunto in "Persian Gates"Archiviato il 18 aprile 2009 in Internet Archive.
Henry Speck, "Alexander at the Persian Gates. A Study in Historiography and Topography" in: American Journal of Ancient History n.s. 1.1 (2002) 15-234; riassunto in "Persian Gates"Archiviato il 18 aprile 2009 in Internet Archive.