Columbia subject headings:
Büron/Triengen (Switzerland)--Economic conditions.
Büron/Triengen (Switzerland)--Population.
Knutwil (Switzerland : Landvogtei)--Economic conditions.
Knutwil (Switzerland : Landvogtei)--Population.
Lucerne (Switzerland : Canton)--Economic conditions.
Lucerne (Switzerland : Canton)--Population.
Harvard subject headings:
Büron/Triengen (Switzerland)--Economic conditions.
Büron/Triengen (Switzerland)--Population.
Knutwil (Switzerland : Landvogtei)--Economic conditions.
Knutwil (Switzerland : Landvogtei)--Population.
Lucerne (Switzerland : Canton)--Economic conditions.
Lucerne (Switzerland : Canton)--Population.
Princeton subject headings:
Büron/Triengen (Switzerland)--Economic conditions.
Büron/Triengen (Switzerland)--Population.
Knutwil (Switzerland : Landvogtei)--Economic conditions.
Knutwil (Switzerland : Landvogtei)--Population.
Lucerne (Switzerland : Canton)--Economic conditions.
Lucerne (Switzerland : Canton)--Population.