Columbia subject headings:
Communism--Soviet Union.
Soviet Union--Economic policy--1959-1965.
World politics--1955-
World politics--1955-1965.
Harvard subject headings:
Communism--Soviet Union
Soviet Union--Economic policy--1959-1965.
World politics--1955-1965
Princeton subject headings:
Communism--Soviet Union.
Soviet Union--Economic policy--1959-1965.
World politics--1955-1965.