- Deutsche Gesellschaft Fur Schadlingsbekampfung M13H
- (DEGESH)(German Vermin-Combatting Corporation)The German company that distributed the Zyklon B gas that was used to exterminate Jews at Auschwitz was a subsidiary of I. G. Farben and the Tesch and Stebenow Company in Hamburg.
Historical dictionary of the Holocaust. Jack R. Fischel. 2014.