books.google.fr - This book challenges conventional opinion by arguing that slaves and Helots played an important part in classical Greek warfare. Although rival city-states often used these classes in their own forces or tried to incite their enemies' slaves to rebellion or desertion, such recruitment was ideologically...https://books.google.fr/books/about/Slaves_Warfare_and_Ideology_in_the_Greek.html?hl=fr&id=V_HGeohJIlgC&q=cavalry&utm_source=gb-gplus-shareSlaves, Warfare, and Ideology in the Greek Historians
