Columbia subject headings:
Harvard subject headings:
Europe--Foreign relations--Greece--Congresses.
Greece--Foreign relations--Europe--Congresses.
Karamanlis, Konstantinos, 1907-1998--Congresses.
Karamanlis, Konstantinos, 1907-1998--Views on Europe--Congresses.
Princeton subject headings:
Europe--Foreign relations--Greece--Congresses.
Greece--Foreign relations--Europe--Congresses.
Karamanlis, Konstantinos, 1907-1998.