Columbia subject headings:
NSZZ "Solidarność" (Labor organization)--History--Sources.
Poland--History--1980-1989--Sources.
Harvard subject headings:
NSZZ "Solidarność" (Labor organization)--History--Sources.
Poland. Służba Bezpieczeństwa.
Political persecution--Poland--Kraków--Sources.
Uniwersytet Jagielloński--History--Sources.
Princeton subject headings: