Columbia subject headings:
Motor fuels--Taxation--United States--History.
Roads--United States--Finance--History.
Transportation, Automotive--Taxation--United States--History.
Harvard subject headings:
Motor fuels--Taxation--United States--History.
Roads--United States--Finance--History.
Transportation, Automotive--Taxation--United States--History.
Transportation, Automotive--Taxation--United States.
Princeton subject headings:
Motor fuels--Taxation--United States--History.
Roads--United States--Finance--History.
Transportation, Automotive--Taxation--United States--History.