Columbia subject headings:
Harvard subject headings:
Airlines--Germany (West)--History.
Airlines--Germany--History--20th century.
Deutsche Lufthansa (1926-1945)--History.
Deutsche Lufthansa (1953- )--History.
Princeton subject headings:
Airlines--Germany (West)--History.
Airlines--Germany--History--20th century.
Deutsche Lufthansa (1926-1945)--History.
Deutsche Lufthansa (1953- )--History.