Columbia subject headings:
Harvard subject headings:
Aeronautics--Iran--History.
Airplanes--IranxHistory.
Flying-machines--History.
Iran. Nīrū-yi Havāyī--History.
Princeton subject headings:
Aeronautics--Iran--History.
Airplanes--Iran--History.
Flying-machines--History.
Iran. Artish. Nīrū-yi Havāyī--History.