Columbia subject headings:
Harvard subject headings:
Black Forest Region (Germany)--Politics and government.
Catholics--Germany--Black Forest Region--Political activity.
Catholics--Political activity--Germany--Black Forest Region.
National socialism--Germany--Black Forest Region--Political activity.
National socialism--Germany--Black Forest Region.
Nationalsozialistische Deutsche Arbeiter-Partei.
Princeton subject headings:
Black Forest Region (Germany)--Politics and government.
Catholics--Germany--Black Forest Region--Political activity.
National socialism--Black Forest Region--Political activity.
Nationalsozialistische Deutsche Arbeiter-Partei.