Columbia subject headings:
Greeks--North Macedonia--Strumica--History.
Strumica (North Macedonia)--Ethnic relations.
Strumica (North Macedonia)--History.
Harvard subject headings:
Greeks--Macedonia--Strumica Region--History.
Strumica (North Macedonia)--History.
Strumica Region (Macedonia)--History--Sources.
Princeton subject headings:
Greeks--Macedonia (Republic)--Strumica--History.
Strumica (North Macedonia)--History.