Columbia subject headings:
Older people--East Asia--Economic conditions.
Older people--East Asia--Social conditions.
Harvard subject headings:
Aging--Congresses
Older people--Asia--Congresses.
Older people--Australia--Congresses.
Older people--China--Hong Kong--Congresses.
Older people--Europe--Congresses.
Older people--India--Congresses.
Older people--Japan--Congresses.
Older people--Korea--Congresses.
Princeton subject headings: