Columbia subject headings:
Communism--Greece--Biography.
Greeks--Soviet Union--20th century.
Tatsēs, Kōstas.
Harvard subject headings:
Communists--Greece--Biography
Tatsēs, Kōstas--Exile--Soviet Union.
Princeton subject headings:
Communists--Greece--Biography.
Tatsēs, Kōstas--Exile--Soviet Union.