- Pieces of stone, erected usually vertically, on which the inscription was engraved. Most often, these monuments have been removed from their in situ location, and can be found in museums or other places.
- Κριτζάς (επιμ.) 2003
- Τουράτσογλου (et al.) 2002
- Katsiadakis Helen (AA)
- Chrysovitsanos Gerasimos (AA)