Columbia subject headings:
Petli︠u︡ra, Symon Vasylʹovych, 1879-1926.
Revolutionaries--Ukraine.
Ukraine--History--Autonomy and independence movements.
Harvard subject headings:
Petli︠u︡ra, Symon Vasylʹovych, 1879-1926--Congresses.
Revolutionaries--Ukraine--Congresses.
Revolutionaries--Ukraine.
Ukraine--History--Autonomy and independence movements--Congresses.
Ukraine--History--Congresses.
Princeton subject headings: