Columbia subject headings:
Social sciences and state--United States.
Social sciences--United States--History.
United States--Social policy.
Harvard subject headings:
Social sciences and state--United States.
Social sciences--Research--United States
Social sciences--United States
Social sciences--United States--History
United States--Social policy.
Princeton subject headings:
Social sciences and state--United States.
Social sciences--United States--History.
United States--Social policy.