Scott, Andrew G. “Plural Marriage and the Spartan State (Links to an external site.)" Historia: Zeitschrift Für Alte Geschichte, vol. 60, no. 4, 2011, pp. 413–424.
Christesen. “Athletics and Social Order in Sparta in the Classical Period. (Links to an external site.)” Classical Antiquity, vol. 31, no. 2, 2012, pp. 193–255. Spawforth T. (2018). "The Same but different: Athens and Sparta (Links to an external site.)," In The Story of Greece and Rome (pp. 119-133). New haven, London: Yale University Press.