Columbia subject headings:
Rhineland-Palatinate (Germany)--Politics and government--Sources.
Rhineland-Palatinate (Germany). Ministerrat--History--Sources.
Harvard subject headings:
Rhineland-Palatinate (Germany)--Politics and government--Sources.
Rhineland-Palatinate (Germany). Ministerrat--History--Sources.
Princeton subject headings:
Rhineland-Palatinate (Germany)--Politics and government--Sources.
Rhineland-Palatinate (Germany). Ministerrat--History--Sources.