Columbia subject headings:
Industries--Social aspects--Germany--Saarbrücken--History.
Local government--Germany--Saarbrücken--History.
Saarbrücken (Germany)--Social conditions.
Sankt Johann (Saarbrücken, Germany)--Social conditions.
Harvard subject headings:
Finance, Public--Germany--Saarbrücken--History.
Public administration--Germany--Saarbrücken--History.
Saarbrücken (Germany)--Economic conditions.
Sankt Johann (Saarbrücken, Germany)--Economic conditions.
Princeton subject headings:
Industries--Social aspects--Germany--Saarbrücken--History.
Local government--Germany--Saarbrücken--History.
Saarbrücken (Germany)--Social conditions.
Sankt Johann (Saarbrücken, Germany)--Social conditions.