Hitler's authorization for the murder of the seriously ill from October 1939, backdated to September 1, 1939, personally signed by Franz Gürtner, the Reich Minister of Justice.
"Reichsleiter Bouhler and
Dr. med. Brandt
have been instructed to extend in a responsible fashion the authority of designated doctors that the latter may provide for an easy and painless death for those who, so far as can be judged, are incurably ill, each person's condition having been most carefully assessed.
[A. Hitler] "