Letter from Hermann Langbein, Secretary General of the International Auschwitz Committee in Austria (Vienna) to Freiherr v. Schowingen Schabinger (Freiburg, FRG), regarding investigation proceedings against Josef Mengele as well as his family members in Argentina, dated 9 September, 1960
On the topic mentioned in the correspondence, see also:
“Josef Mengele, 1-25” (VWI-SWA, I.1)