Columbia subject headings:
Harvard subject headings:
Aging--Social aspects--Rome--History.
Germany--Population policy--History.
Older people--Germany--History.
Older people--Rome--Social conditions.
Rome--Population policy--History.
Princeton subject headings:
Aging--Social aspects--Rome--History.
Germany--Population policy--History.
Older people--Germany--History.
Older people--Rome--Social conditions.
Rome--Population policy--History.