Columbia subject headings:
Harvard subject headings:
Greece--Foreign relations--Spain--20th century.
Greece--History--1917-1944.
Spain--Foreign relations--Greece--20th century.
Venizelos, Eleutherios, 1864-1936.
Princeton subject headings:
Greece--Foreign relations--Spain.
Greece--Politics and government--20th century.
Spain--Foreign relations--Greece.
Venizelos, Eleutherios, 1864-1936.