Columbia subject headings:
Greece--History--Coup d'état, 1967 (April 21)
Greece--History--Coup d'état, 1967 (April 21)--Underground movements.
Greece--Kings and rulers.
Greece--Politics and government--1967-1974.
Harvard subject headings:
Greece--History--Coup d' etat, 1967--Underground movements.
Greece--History--Coup d' etat, 1967.
Greece--Politics and government--1967-1974.
Kings and rulers--Greece.
Princeton subject headings:
Constantine II, King of the Hellenes, 1940-2023.
Greece--Politics and government--1967-1974.
Papadopoulos, Geōrgios, 1919-