Columbia subject headings:
Debts, External--Poland--Congresses.
Poland--Economic conditions--1945---Congresses.
Poland--Economic policy--1981-1990--Congresses.
Poland--Foreign economic relations--Congresses.
Harvard subject headings:
Debts, External--Poland--Congresses.
Poland--Economic conditions--1945---Congresses.
Poland--Economic policy--1981-1990--Congresses.
Poland--Foreign economic relations--Congresses.
Princeton subject headings:
Debts, External--Poland--Congresses.
Poland--Economic conditions--1945---Congresses.
Poland--Economic policy--1981-1990--Congresses.
Poland--Foreign economic relations--Congresses.