Columbia subject headings:
Communism--Poland.
Labor unions--Political activity--Poland.
NSZZ "Solidarność" (Labor organization)
Poland--Social conditions--1945-
Wałęsa, Lech, 1943-
Harvard subject headings:
Communism--Poland
Labor unions--Political activity--Poland
NSZZ "Solidarność" (Labor organization)
Poland--Social conditions--1945-
Wałęsa, Lech, 1943-.
Princeton subject headings:
Communism--Poland.
Labor unions--Political activity--Poland.
NSZZ "Solidarność" (Labor organization)
Poland--Social conditions--1945-
Wałęsa, Lech, 1943-