Holding Institutions
- National Archives of the Grand Duchy of Luxembourg1
- Nat︠s︡ionalʹnyĭ arkhiv Respubliki Belarus΄1
- Oberösterreichisches Landesarchiv1
- Paul Frey1
- Państwowe Muzeum Auschwitz-Birkenau1
- Sigmund Freud Museum (Vienna, Austria)1
- Staatsanwaltschaft Berlin1
- Statens arkiver (Denmark)1
- Sweden. Riksarkivet1
- United Nations Archives and Records Management Section1
- United States. National Archives and Records Administration1
- Wiener Stadt- und Landesarchiv1
- Ústav pro studium totalitních režimů1