Columbia subject headings:
Old age pensions--Austria.
Old age pensions--European Union countries.
Population aging--Austria.
Population aging--European Union countries.
Social security--Austria.
Social security--European Union countries.
Welfare state--Austria.
Welfare state--European Union countries.
Harvard subject headings:
Old age pensions--Austria.
Old age pensions--Europe.
Population aging--Austria.
Population aging--Europe.
Welfare state--Austria.
Welfare state--Europe.
Princeton subject headings:
Old age pensions--Austria.
Old age pensions--Europe.
Population aging--Austria.
Population aging--Europe.
Welfare state--Austria.
Welfare state--Europe.