Columbia subject headings:
Black Sea Coast (Turkey)--History.
World War, 1914-1918--Campaigns--Black Sea Region.
World War, 1914-1918--Campaigns--Turkey.
Harvard subject headings:
Black Sea Coast (Turkey)--History.
World War, 1914-1918--Campaigns--Black Sea Region
World War, 1914-1918--Campaigns--Turkey
Princeton subject headings:
Black Sea Coast (Turkey)--History.
World War, 1914-1918--Campaigns--Black Sea Region.
World War, 1914-1918--Campaigns--Turkey.