Columbia subject headings:
Harvard subject headings:
Black Sea Coast (Turkey)--History.
Gümüşhane İli (Turkey)--History.
Kelkit (Gümüşhane İli, Turkey)--History.
Turks--Turkey--Black Sea Coast--History.
Princeton subject headings:
Black Sea Coast (Turkey)--History.
Gümüşhane İli (Turkey)--History.
Kelkit (Gümüşhane İli, Turkey)--History.
Turks--Turkey--Black Sea Coast--History.