Columbia subject headings:
Harvard subject headings:
Aeronautics, Military--Soviet Union
Air pilots, Military--Soviet Union--Biography
Riaboff, Alexander, 1895-1984.
Soviet Union--History--Revolution, 1917-1921--Personal narratives.
Princeton subject headings:
Aeronautics, Military--Soviet Union.
Air pilots, Military--Soviet Union--Biography.
Personal narratives.
Riaboff, Alexander, 1895-1984.
Soviet Union--History--Revolution, 1917-1921--Personal narratives.