Columbia subject headings:
Communism--Turkey--Congresses.
Soviet Union--History--Revolution, 1917-1921--Influence--Congresses.
Soviet Union--Relations--Turkey--Congresses.
Turkey--Politics and government--1918-1960--Congresses.
Turkey--Relations--Soviet Union--Congresses.
Turkey--Study and teaching--Soviet Union--Congresses.
Harvard subject headings:
Communism--Turkey--Congresses.
Soviet Union--History--Revolution, 1917-1921--Influence--Congresses.
Soviet Union--Relations--Turkey--Congresses.
Turkey--Politics and government--1918-1960--Congresses.
Turkey--Relations--Soviet Union--Congresses.
Turkey--Study and teaching--Soviet Union--Congresses.
Princeton subject headings: