Columbia subject headings:
Germany (West)--Population--Congresses.
Germany (West)--Social policy--Congresses.
Population--Economic aspects--Congresses.
Harvard subject headings:
Germany (West)--Population--Congresses.
Germany (West)--Social policy--Congresses.
Population--Economic aspects--Congresses
Princeton subject headings:
Germany (West)--Population--Forecasting--Congresses.
Old age pensions--Germany (West)--Congresses.
Social security--Germany (West)--Congresses.