Columbia subject headings:
Harvard subject headings:
Airlines--Employees--History.
Airlines--Germany--History.
Deutsche Lufthansa (1926-1945)
Foreign workers--Germany--History.
World War, 1939-1945--Transportation--Germany.
World War, 1939-1945.
Princeton subject headings:
Airlines--Employees--History.
Airlines--Germany--History.
Deutsche Lufthansa (1926-1945)
Foreign workers--Germany--History.
World War, 1939-1945--Transportation--Germany.
World War, 1939-1945.