Columbia subject headings:
Aeronautics, Commercial--Deregulation--United States--Congresses.
Aeronautics, Commercial--United States--Deregulation--Congresses.
Aeronautics--United States--Safety measures--Congresses.
Trucking--Deregulation--United States--Congresses.
Trucking--United States--Deregulation--Congresses.
Trucking--United States--Safety measures--Congresses.
Harvard subject headings:
Aeronautics, Commercial--Deregulation--United States--Congresses.
Aeronautics, Commercial--United States
Aeronautics--United States--Safety measures
Aeronautics--United States--Safety measures--Congresses.
Trucking--Deregulation--United States
Trucking--Deregulation--United States--Congresses.
Trucking--United States--Safety measures
Trucking--United States--Safety measures--Congresses.
Princeton subject headings:
Aeronautics, Commercial--United States--Deregulation--Congresses.
Aeronautics--United States--Safety measures--Congresses.
Trucking--United States--Deregulation--Congresses.
Trucking--United States--Safety measures--Congresses.