Columbia subject headings:
Harvard subject headings:
Aeronautics, Military--Germany--Biography.
Air pilots--Germany--Biography
Fighter pilots--Germany--Biography
Suwelack, Josef, 1888-1915.
World War, 1914-1918--Aerial operations, German
Princeton subject headings:
Air pilots, Military--Germany--Biography.
Airplanes, Military--Germany--History--20th century.
Suwelack, Josef, 1888-1915.
World War, 1914-1918.