Columbia subject headings:
Harvard subject headings:
Labor unions--Poland--Biography.
NSZZ "Solidarność" (Labor organization)
Wałęsa, Lech, 1943-.
Princeton subject headings:
NSZZ "Solidarność" (Labor organization)--History.
Poland--Politics and government--1980-1989.
Poland--Politics and government--1989-
Poland. Ministerstwo Spraw Wewnętrznych i Administracji. Biuro Ochrony Rządu
Presidents--Poland--Biography.
Wałęsa, Lech, 1943-