Columbia subject headings:
Harvard subject headings:
National socialism--Germany--Schaumburg-Lippe--History--20th century.
Nationalsozialistische Deutsche Arbeiter-Partei--History--20th century.
Schaumburg-Lippe (Germany)--History--20th century.
Princeton subject headings:
National socialism--Germany--Schaumburg-Lippe.
Schaumburg-Lippe (Germany)--History--20th century.