Columbia subject headings:
Harvard subject headings:
Aeronautics--Europe--Flights--History--20th century.
Aeronautics--United States--Flights--History--20th century.
Air pilots--Germany--Biography
Air pilots--Ireland--Biography.
Fitzmaurice, James Christopher, 1898-1965
Hünefeld, E. G. (Ehrenfried Günther), Freiherr von, 1892-1929
Junkers airplanes--History--20th century.
Köhl, Hermann, 1888-1938
Princeton subject headings:
Aeronautics--Europe--Flights--History--20th century.
Aeronautics--United States--Flights--History--20th century.
Air pilots--Germany--Biography.
Air pilots--Ireland--Biography.
Fitzmaurice, James Christopher, 1898-1965.
Hünefeld, E. G. (Ehrenfried Günther), Freiherr von, 1892-1929.
Junkers airplanes--History--20th century.
Köhl, Hermann, 1888-1938.