Columbia subject headings:
Harvard subject headings:
Capitalism--United States--Public opinion.
Public opinion--United States
Social workers--United States--Attitudes.
Trade regulation--United States--Public opinion.
Truck drivers--United States--Attitudes.
Princeton subject headings:
Capitalism--United States--Public opinion.
Public opinion--United States.
Social workers--United States--Attitudes.
Trade regulation--United States--Public opinion.
Truck drivers--United States--Attitudes.