Columbia subject headings:
Communist parties--Greece--History--20th century.
Kommounistikon Komma Hellados (Esōterikou)--History.
Harvard subject headings:
Communism--Greece--History--20th century.
Greece--Politics and government--1967-1974.
Kommounistikon Komma Hellados (Esōterikou)--History.
Political parties--Greece--History--20th century--Sources.
Political parties--Greece--History--20th century.
Princeton subject headings:
Communist parties--Greece--History--20th century.
Kommounistikon Komma Hellados (Esōterikou)--History.