Columbia subject headings:
Constitutional law--Greece--Amendments.
Constitutional law--Greece.
Constitutional law.
Direct democracy.
Referendum--Greece.
Referendum.
Representative government and representation.
Harvard subject headings:
Constitutional law
Constitutional law--Greece
Constitutional law--Greece--Amendments.
Direct democracy.
Referendum--Greece.
Referendum.
Representative government and representation
Princeton subject headings:
Constitutional law--Greece--Amendments.
Constitutional law--Greece.
Constitutional law.
Direct democracy.
Referendum--Greece.
Referendum.
Representative government and representation.