An interesting corpus dealing with the cult of Achilles has been published in a Spanish thesis. Each literary and epigraphic mention on this topic is published, translated in Spanish and commented. The text concerning the Black Sea represents almost the half of the thesis.
Oller Guzmán, M. (2004) : Orígenes y desarrollo del culto de Aquiles en la Antigüedad. Recogida y análisis de fuentes, Barcelone.