Columbia subject headings:
Business cycles--Poland.
Capital--Poland.
Poland--Economic policy--1945-1981.
Harvard subject headings:
Business cycles--Poland.
Capital--Poland.
Poland--Economic policy--1945-
Poland--Economic policy--1945-1981
Poland--Economic policy--1981-1990
Princeton subject headings:
Investments--Poland.
Poland--Economic conditions--1945-
Poland--Economic policy--1945-1981.
Poland--Economic policy--1981-1990.