Columbia subject headings:
Abortion--Moral and ethical aspects.
Pro-choice movement--United States.
Pro-life movement--United States.
Harvard subject headings:
Abortion--Moral and ethical aspects
English language--United States--Rhetoric
Pro-choice movement--United States.
Pro-life movement--United States
Princeton subject headings:
Abortion--Moral and ethical aspects.
Pro-choice movement--United States.
Pro-life movement--United States.