Columbia subject headings:
Harvard subject headings:
Germany--History--1933-1945--Exhibitions.
National socialism--Exhibitions.
Nationalsozialistische Deutsche Arbeiter-Partei. Schutzstaffel--History--Exhibitions.
Nazi concentration camp inmates--Germany--Correspondence
World War, 1939-1945--Concentration camps--Germany--Exhibitions.
Princeton subject headings:
Germany--History--1933-1945.
Kreismuseum Wewelsburg.
National socialism--Germany.