Columbia subject headings:
Harvard subject headings:
Executive departments--Germany--North Rhine-Westphalia.
North Rhine-Westphalia (Germany)--Politics and government.
North Rhine-Westphalia (Germany). Landesregierung.
Princeton subject headings:
Executive departments--Germany--North Rhine-Westphalia.
North Rhine-Westphalia (Germany)--Politics and government.
North Rhine-Westphalia (Germany). Landesregierung