Columbia subject headings:
Greece--History--Civil War, 1944-1949--Participation, Foreign.
Greece--History--Civil War, 1944-1949--Sources.
Kommounistikon Komma tēs Hellados--History--20th century.
Harvard subject headings:
Communist countries--Relations--Greece.
Greece--History--Civil War, 1944-1949--Participation, Foreign.
Greece--Relations--Communist countries.
Kommounistikon Komma tēs Hellados--History--20th century.
Princeton subject headings:
Communist countries--Relations--Greece.
Greece--History--Civil War, 1944-1949--Participation, Foreign.
Greece--Relations--Communist countries.
Kommounistiko Komma Helladas--History--20th century.