Columbia subject headings:
Konstanz (Germany)--Economic conditions.
Konstanz (Germany)--Population.
Konstanz (Germany)--Social conditions.
Harvard subject headings:
Konstanz (Germany)--Economic conditions.
Konstanz (Germany)--Population.
Konstanz (Germany)--Social conditions.
Princeton subject headings:
Konstanz (Germany)--Economic conditions.
Konstanz (Germany)--Population.
Konstanz (Germany)--Social conditions.