Columbia subject headings:
Harvard subject headings:
Poland--Armed Forces--Parachute troops--Biography.
Poland--History--Occupation, 1939-1945
World War, 1939-1945--Aerial operations, Polish.
World War, 1939-1945--Underground movements--Poland.
Princeton subject headings:
Poland--Armed Forces--Parachute troops--Biography.
World War, 1939-1945--Aerial operations, Polish.