Columbia subject headings:
Soviet Union--Relations--Tajikistan--Congresses.
Tajikistan--History--20th century--Congresses.
Tajikistan--Politics and government--20th century--Congresses.
Tajikistan--Relations--Soviet Union--Congresses.
Harvard subject headings:
Soviet Union--Relations--Tajikistan--Congresses.
Tajikistan--History--Revolution, 1917-1921--Congresses.
Tajikistan--Politics and government--Congresses.
Tajikistan--Relations--Soviet Union--Congresses.
Princeton subject headings: