Columbia subject headings:
Harvard subject headings:
Poland--History--Occupation, 1939-1945--Sources.
World War, 1939-1945--Poland.
World War, 1939-1945--War work--Boy Scouts.
Związek Harcerstwa Polskiego--History--Sources.
Princeton subject headings:
Poland. Polskie Siły Zbrojne. Armia Krajowa. Szare Szeregi.
World War, 1939-1945--Underground movements--Poland.
World War, 1939-1945--War work--Poland--Boy scouts.
Związek Harcerstwa Polskiego--History.