Columbia subject headings:
Harvard subject headings:
Terrorism--Ukraine--History--20th century.
Terrorists--Ukraine--History--20th century.
Ukraine--History--20th century.
Violence--Ukraine--History--20th century.
Princeton subject headings:
Insurgency--Ukraine--History--20th century.
Political violence--Ukraine--History--20th century.
Ukraine--History--20th century.
Violence--Ukraine--History--20th century.