Columbia subject headings:
Social security beneficiaries--United States.
Social security--United States--History.
United States. Social Security Administration--History.
Harvard subject headings:
Social security beneficiaries--United States.
Social security--United States--History
United States. Social Security Administration--History.
Princeton subject headings:
Social security beneficiaries--United States.
Social security--United States--History.
United States. Social Security Administration--History.