Columbia subject headings:
Harvard subject headings:
Black market--Poland--History--20th century.
Poland--Economic conditions--1945-1981
Poland--Economic conditions--1981-1990
Poland--Social conditions--1945-
Scarcity--History--20th century.
Princeton subject headings:
Black market--Poland--History--20th century.
Poland--Economic conditions--1945-1981.
Poland--Economic conditions--1981-1990.
Poland--Social conditions--1945-
Scarcity--History--20th century.