References

Belke, K. Bithynien und Hellespont (Tabula Imperii Byzantini 13)

Foss, C. Survey of Medieval Castles of Anatolia II: Nicomedia

Janin, R. Les Eglises Et Les Monasteres Des Grands Centres Byzantins: Bithynie, Hellespont, Latros, Galèsios, Trébizonde, Athènes, Thessalonique

Dirimtekin, F. “Pelekanon, Philokrini, Nikitiaton, Ritzion, Dakibyza” (Fatih ve İstanbul, İstanbul Fethi Derneği, Cilt 2)

 

​Sources

Charax/Hereke Album (Byzantine Legacy Flickr)

Byzantine Bithynia Album (Byzantine Legacy Flickr)

Hereke Kalesi (TAY)