Columbia subject headings:
Catholic Church--Germany--Saarland--History.
Church and social problems--Germany--Saarland--History.
Labor--Religious aspects--Christianity--Germany--Saarland--History.
Saarland (Germany)--Social conditions.
Harvard subject headings:
Princeton subject headings:
Catholic Church--Germany--Saarland--History.
Church and social problems--Germany--Saarland.
Labor--Religious aspects--Christianity--Germany--Saarland--History.
Saarland (Germany)--Social conditions.