Columbia subject headings:
Berkhman, Georgiĭ Ėduardovich, 1854-1929.
World War, 1914-1918--Campaigns--Caucasus.
World War, 1914-1918--Campaigns--Turkey.
Harvard subject headings:
Berkhman, Georgiĭ Ėduardovich, 1854-1929.
World War, 1914-1918--Campaigns--Caucasus
World War, 1914-1918--Campaigns--Turkey
Princeton subject headings: