Columbia subject headings:
Heads of state--Soviet Union--Biography--Congresses.
Khrushchev, Nikita Sergeevich, 1894-1971--Congresses.
Soviet Union--Politics and government--1953-1985--Congresses.
Harvard subject headings:
Heads of state--Soviet Union--Biography--Congresses.
Khrushchev, Nikita Sergeevich, 1894-1971--Congresses.
Soviet Union--Politics and government--1953-1985--Congresses.
Princeton subject headings:
Heads of state--Soviet Union--Congresses.
Khrushchev, Nikita Sergeevich, 1894-1971--Congresses.
Soviet Union--Politics and government--1953-1985--Congresses.