Columbia subject headings:
Rhineland-Palatinate (Germany)--Politics and government.
Rhineland-Palatinate (Germany)--Social conditions.
Harvard subject headings:
Rhineland-Palatinate (Germany)--Politics and government.
Rhineland-Palatinate (Germany)--Social conditions.
Princeton subject headings:
Rhineland-Palatinate (Germany)--Politics and government.
Rhineland-Palatinate (Germany)--Social conditions.