Columbia subject headings:
Bulgaria--Antiquities.
Bulgaria--History--Sources.
Graffito decoration--Bulgaria.
Graffito decoration--North Macedonia.
Inscriptions--Bulgaria.
Inscriptions--North Macedonia.
North Macedonia--Antiquities.
North Macedonia--History--Sources.
Harvard subject headings:
Inscriptions--North Macedonia
Macedonia--History--1389-1912.
Macedonia--History--168 B.C.-1389 A.D.
Princeton subject headings: