Columbia subject headings:
Eestimaa Kommunistlik Partei--Party work.
Estonia--History--1918-1940.
Estonia--Politics and government--1918-1940.
Harvard subject headings:
Communism--Estonia--History.
Eestimaa Kommunistlik Partei.
Estonia--Politics and government--1918-1940.
Princeton subject headings:
Eestimaa Kommunistlik Partei--Party work.
Estonia--History--1918-1940.
Estonia--Politics and government--1918-1940.