Columbia subject headings:
Transportation, Automotive--Law and legislation--United States.
Transportation, Automotive--Mergers--United States.
Transportation, Automotive--United States--Consolidation.
Harvard subject headings:
Transportation, Automotive--Law and legislation--United States.
Transportation, Automotive--United States--Consolidation.
Princeton subject headings:
Transportation, Automotive--Law and legislation--United States.
Transportation, Automotive--Mergers--United States.