Columbia subject headings:
Harvard subject headings:
Agriculturists--Germany--Biography.
Germany--Politics and government--1933-1945.
National socialism and agriculture.
Nationalsozialistische Deutsche Arbeiter-Partei. Schutzstaffel--Biography.
Nazis--Germany--Biography
Politicians--Germany--Biography
Riecke, Hans Joachim Ernst, 1899-1986.
Princeton subject headings:
Riecke, Hans Joachim Ernst, 1899-1986.