Columbia subject headings:
Harvard subject headings:
Kraków (Poland)--History--20th century.
Nowa Huta (Kraków, Poland)--History--20th century.
Scouting (Youth activity)--Poland--Kraków--History--20th century.
Youth--Poland--Kraków--Societies and clubs--History--20th century.
Związek Harcerstwa Polskiego. Hufiec Kraków-Nowa Huta--History--20th century.
Princeton subject headings:
Kraków (Poland)--History--20th century.
Nowa Huta (Kraków, Poland)--History--20th century.
Związek Harcerstwa Polskiego. Hufiec Kraków-Nowa Huta--History--20th century.