Diocles' possible status and changes of team contracts are discussed in Teeter, Timothy M. “A Note on Charioteer Inscriptions.” The Classical World, vol. 81, no. 3, 1988, pp. 219–21, https://doi.org/10.2307/4350165. Accessed 15 Apr. 2022.
laphamsquarterly.org
Struck, Peter T. (2 August 2010). "Greatest of All Time". Lapham's Quarterly. Archived from the original on 22 December 2020. Retrieved 16 January 2017.
Struck, Peter T. (2 August 2010). "Greatest of All Time". Lapham's Quarterly. Archived from the original on 22 December 2020. Retrieved 16 January 2017.