Columbia subject headings:
Batumi (Georgia)--History.
Caucasus--History--Revolution, 1917-1921.
Kars İli (Turkey)--History.
Turkey--History--Ottoman Empire, 1288-1918.
Turkey--History--Revolution, 1918-1923.
Harvard subject headings:
Batumi (Georgia)--History.
Caucasus--History--Revolution, 1917-1921.
Kars İli (Turkey)--History.
Turkey--History--Ottoman Empire, 1288-1918.
Turkey--History--Revolution, 1918-1923.
Princeton subject headings: