Columbia subject headings:
Airplanes--United States--Equipment and supplies.
Industrial equipment leases--United States.
Leases--United States.
Harvard subject headings:
Airplanes--United States--Equipment and supplies.
Industrial equipment leases--United States.
Leases--United States
Princeton subject headings:
Airplanes--United States--Equipment and supplies.
Industrial equipment leases--United States.
Leases--United States.