Archive postcard views of the coal mines at Ereğli - Zonguldak area on the Turkish coast of the Black Sea, an area still the chief coal mining area of the country - more information on the mining history of the region in this online book:

A baptism ceremony with the congregation of the Catholic mission of the Assumptionists in Zonguldak in 1927, the congregation probably a mixture of Levantines and foreign workers employed by the local coal mines, which at the time were a private French concern.