Columbia subject headings:
Excavations (Archaeology)--Ukraine--Poltavsʹka oblastʹ.
Poltavsʹka oblastʹ (Ukraine)--Antiquities.
Harvard subject headings:
Cossacks--Ukraine--Poltavsʹka oblastʹ--History--Periodicals.
Poltavsʹka oblastʹ (Ukraine)--Antiquities--Periodicals.
Princeton subject headings: