21 March 1949. References Sources External weblinks Director General Rudolf Buttmann in the Bavarian State Library Collections Rudolf Buttmann in the Bavarian Culture and Knowledge website 1885 births 1947 deaths German librarians German National People's Party politicians Holocaust perpetrators in Germany Lawyers in the Nazi Party Members of the Academy for German Law Members of the Landtag of Bavaria Members of the Reichstag of Nazi Germany Nazi Party officials Nazi Party politicians Nazi propagandists Nazis who participated in the Beer Hall Putsch People from Marktbreit Recipients of the Iron Cross (1914), 2nd class 20th-century Freikorps personnel German Army personnel of World War I