Columbia subject headings:
Polish people--Foreign countries--History.
Scouting (Reconnaissance)--Poland--History.
Scouting (Youth activity)--Poland--History.
Scouts (Reconnaissance)--Poland--History.
Scouts (Youth organization members)--Poland--History.
Związek Harcerstwa Polskiego--History.
Harvard subject headings:
Polish people--Foreign countries--History.
Scouting (Youth activity)--Poland--History.
Związek Harcerstwa Polskiego--History.
Princeton subject headings: