Affidavit signed by Rudolf Hoess attesting to the gassing of Jews while he was the commandant of the Auschwitz killing center.
http://www.ushmm.org/wlc/en/media_da...1&MediaId=5628
also, a map titled "Jewish Executions Carried Out by Einsatzgruppen A"
http://www.ushmm.org/wlc/en/media_da...1&MediaId=5617
A map with pictures of coffins and numbers next to them.
Don't need to read German to figure out this official Nazi document.