Columbia subject headings:
Harvard subject headings:
Alexander II, Emperor of Russia, 1818-1881--Assassination.
Assassins--Russia (Federation)--Biography.
Perovskai͡a, Sofʹi͡a Lʹvovna, 1854-1881.
Perovskai︠a︡, Sofii︠a︡ Lʹvovna, 1853-1881
Revolutionaries--Russia (Federation)--Biography.
Revolutionaries--Russia--Biography
Terrorists--Russia--Biography.
Women revolutionaries--Russia (Federation)--Biography.
Princeton subject headings:
Perovskai︠a︡, Sofii︠a︡ Lʹvovna, 1853-1881.
Revolutionaries--Russia--Biography.
Terrorists--Russia--Biography.