Columbia subject headings:
Conservatism--United States.
Liberalism--United States.
Public welfare--United States.
Harvard subject headings:
Conservatism--United States
Liberalism--United States.
Public welfare--United States
Right and left (Political science)
United States--Politics and government--Moral and ethical aspects.
Princeton subject headings:
Conservatism--United States.
Liberalism--United States.
Right and left (Political science)