Columbia subject headings:
Capitalism--United States.
Central planning--Soviet Union.
Communism--Soviet Union.
Comparative economics.
Economic history.
Soviet Union--Economic policy.
United States--Economic policy.
Harvard subject headings:
Capitalism--United States
Central planning--Soviet Union
Communism--Soviet Union
Comparative economics
Economic history
Soviet Union--Economic policy--1917-1928
United States--Economic policy
Princeton subject headings:
Capitalism--United States.
Central planning--Soviet Union.
Communism--Soviet Union.
Comparative economics.
Economic history.
Soviet Union--Economic policy.
United States--Economic policy.