Columbia subject headings:
Communist state.
Europe, Eastern--Economic policy.
Marxian economics.
Working class--Europe, Eastern.
Harvard subject headings:
Communist state.
Europe, Eastern--Economic policy.
Labor--Europe, Eastern.
Marxian economics.
Working class--Europe, Eastern
Princeton subject headings:
Communist state.
Europe, Eastern--Economic policy.
Marxian economics.
Working class--Europe, Eastern.