Columbia subject headings:
Labor--Poland--Nowa Huta (Kraków)
Nowa Huta (Kraków, Poland)--Intellectual life.
Nowa Huta (Kraków, Poland)--Social conditions.
Harvard subject headings:
Labor--Poland--Kraków.
Nowa Huta (Kraków, Poland)--Intellectual life.
Nowa Huta (Kraków, Poland)--Social conditions.
Working class--Poland--Kraków.
Princeton subject headings: