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