Columbia subject headings:
Harvard subject headings:
Alexander II, Emperor of Russia, 1818-1881--Assassination.
Dictatorship--Russia--History--19th century.
Domestic terrorism--Russia--History--19th century.
Narodnai︠a︡ voli︠a︡ (Political party : Russia)--History--19th century.
National security--Russia--History--19th century.
Political violence--Russia--History--19th century.
Russia--Politics and government--1801-1917.
Terrorism--Russia--History--19th century.
Terrorist threat warning systems--Russia--History--19th century.
Princeton subject headings:
Alexander II, Emperor of Russia, 1818-1881--Assassination.
Dictatorship--Russia--History--19th century.
Domestic terrorism--Russia--History--19th century.
Narodnai︠a︡ voli︠a︡ (Political party : Russia)--History--19th century.
National security--Russia--History--19th century.
Political violence--Russia--History--19th century.
Russia--Politics and government--1801-1917.
Terrorism--Russia--History--19th century.
Terrorist threat warning systems--Russia--History--19th century.