Columbia subject headings:
Greece--Economic conditions--20th century.
Greece--Foreign relations--20th century.
Karamanlis, Konstantinos, 1907-1998--Congresses.
Harvard subject headings:
Greece--Economic conditions--20th century.
Greece--Foreign relations--20th century.
Karamanlis, Konstantinos, 1907-1998--Congresses.
Princeton subject headings:
Greece--Economic conditions--20th century--Congresses.
Greece--Foreign relations--20th century--Congresses.
Karamanlis, Konstantinos, 1907-1998--Congresses.