Columbia subject headings:
Aeronautics, Commerical--Passenger traffic--Exhibitions.
Air travel--Exhibitions.
Airports--Design and construction--Exhibitions.
Design, Industrial--History--Exhibitions.
Harvard subject headings:
Aeronautics, Commercial--Passenger traffic--Exhibitions.
Air travel--Exhibitions.
Airports--Design and construction--Exhibitions.
Industrial design--History--Exhibitions.
Princeton subject headings:
Air travel--Pictorial works--Exhibitions.
Airplanes--Design and construction--Exhibitions.
Airplanes--Pictorial works--Exhibitions.
Airports--Design and construction--Exhibitions.
Airports--Pictorial works--Exhibitions.
Flight attendants--Uniforms--Design--Exhibitions.
Travel posters--Exhibitions.