Columbia subject headings:
Old age pensions--Germany (West)--Congresses.
Social security--Germany (West)--Congresses.
Harvard subject headings:
Old age pensions--Germany (West)--Congresses.
Social security--Germany (West)--Congresses.
Princeton subject headings:
Old age pensions--Germany (West)xCongresses.
Social security--Germany(West)--Congresses.