Columbia subject headings:
Harvard subject headings:
Russia--Politics and government--1801-1917.
Terrorism--Russia--History--19th century.
Terrorism--Russia--History--20th century.
Terrorism--Russia--History--Sources.
Princeton subject headings:
Russia--Politics and government--1801-1917.
Terrorism--Russia--History--19th century.
Terrorism--Russia--History--20th century.
Terrorism--Russia--History--Sources.