Columbia subject headings:
Harvard subject headings:
Greece--Foreign relations--Former Yugoslav Republic of Macedonia--Sources.
Greece--Foreign relations--North Macedonia--Sources.
North Macedonia--Foreign relations--Greece--Sources.
North Macedonia--International status--History--Sources.
Princeton subject headings:
Greece--Foreign relations--Macedonia (Republic)--Sources.
Macedonia (Republic)--Foreign relations--Greece--Sources.
Macedonia (Republic)--International status--History--Sources.