Columbia subject headings:
Harvard subject headings:
Old age pensions--Europe.
Old age pensions--Germany.
Pensions--Europe.
Pensions--Germany.
Retirement income--Europe--Planning.
Retirement income--Germany--Planning.
Social security--Europe
Social security--Germany
Youth--Europe--Economic conditions.
Youth--Europe--Social conditions.
Youth--Germany--Economic conditions.
Youth--Germany--Social conditions
Youth--Pensions--Europe.
Youth--Pensions--Germany.
Princeton subject headings:
Old age pensions--Europe.
Old age pensions--Germany.
Pensions--Europe.
Pensions--Germany.
Retirement income--Europe--Planning.
Retirement income--Germany--Planning.
Social security--Europe.
Social security--Germany.
Youth--Europe--Economic conditions.
Youth--Europe--Social conditions.
Youth--Germany--Economic conditions.
Youth--Germany--Social conditions.
Youth--Pensions--Europe.
Youth--Pensions--Germany.