Columbia subject headings:
Harvard subject headings:
Ethnikes Homades Hellēnōn Antartōn.
Ethnikos Dēmokratikos Hellēnikos Syndesmos (Greece)
Greece--History--Occupation, 1941-1944.
World War, 1939-1945--Underground movements--Greece.
Zervas, Napoleōn.
Princeton subject headings:
Ethnikos Dēmokratikos Hellēnikos Syndesmos (Greece)
Guerrillas--Greece--Biography.
World War, 1939-1945--Underground movements--Greece.
Zervas, Napoleōn.