Columbia subject headings:
Harvard subject headings:
Boy Scouts--Poland--History--20th century.
World War, 1939-1945--Underground movements--Poland.
World War, 1939-1945--War work--Boy Scouts.
Związek Harcerstwa Polskiego
Princeton subject headings:
Boy Scouts--Poland--History--20th century.
World War, 1939-1945--Underground movements--Poland.
World War, 1939-1945--War work--Boy Scouts.
Związek Harcerstwa Polskiego.