Columbia subject headings:
Older people--Employment--United States--Congresses.
Retirement--United States--Congresses.
Social security--United States--Congresses.
Harvard subject headings:
Older people--Employment--United States--Congresses.
Retirement--United States--Congresses.
Social security--United States--Congresses
Princeton subject headings:
Older people--Employment--United States--Congresses.
Retirement--United States--Congresses.
Social security--United States--Congresses.