Luraghi, Nino, and Susan E. Alcock, eds. 2003. Helots and Their Masters in Laconia and Messenia: Histories, Ideologies, Structures. Hellenic Studies Series 4. Washington, DC: Center for Hellenic Studies. http://nrs.harvard.edu/urn-3:hul.ebook:CHS_LuraghiN_AlcockS_eds.Helots_and_Their_Masters.2003.
Chapter 7. Freedom for the Messenians? A note on the impact of slavery and helotage on the Greek concept of freedom