Sources:
- http://www.perseus.tufts.edu/Olympics/diag.html
- https://greekcitytimes.com/2018/05/23/2300-year-old-shrine-in-turkey-turns-out-to-be-tomb-of-ancient-greek-boxer-diagoras/
- 2,300 year old shrine in Turkey turns out to be tomb of ancient Greek Boxer Diagoras-https://www.greecehighdefinition.com/blog/2019/4/15/2300-year-old-shrine-in-turkey-turns-out-to-be-tomb-of-ancient-greek-boxer-diagoras