Columbia subject headings:
Tax incidence--United States.
Taxation--Moral and ethical aspects--United States.
Taxation--United States.
Harvard subject headings:
Tax incidence--United States.
Taxation--Moral and ethical aspects--United States.
Taxation--Moral and ethical aspects.
Taxation--United States
Princeton subject headings:
Tax incidence--United States.
Taxation--United States--Moral and ethical aspects.
Taxation--United States.