Columbia subject headings:
Capital punishment--Moral and ethical aspects--United States.
Capital punishment--Political aspects--United States.
Capital punishment--United States.
Harvard subject headings:
Capital punishment--Political aspects--United States.
Capital punishment--United States
Capital punishment--United States--Moral and ethical aspects.
Princeton subject headings:
Capital punishment--Political aspects--United States.
Capital punishment--United States--Moral and ethical aspects.
Capital punishment--United States.