Columbia subject headings:
Harvard subject headings:
Communism--Europe, Eastern--History
Communism--History
Khrushchev, Nikita Sergeevich, 1894-1971.
Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za. Sʺezd (20th : 1956 : Moscow, Russia)
Nineteen fifty-six, A.D.
Parti communiste français--History.
Soviet Union--Politics and government--1953-1985.
Princeton subject headings:
Communism--Europe, Eastern--History--20th century.
Hungary--History--Revolution, 1956.
Soviet Union--Foreign relations--1953-1975.
Soviet Union--Politics and government--1953-1985.