Original sentence: Likewise, Jäckel used Himmler's Posen speech  of 1943 and certain other statements on his part in 1944 referring to a "order" from an unnamed higher authority as proof that Hitler had ordered the Holocaust In the same way, Jäckel noted that Hitler's order of March 13, 1941 ordering that the Einsatzgruppen be reestablished for Operation Barbarossa as proof of the Führer's involvement in the Holocaust Jäckel also argued that the entry in Joseph Goebbels's diary on March 27, 1942 mentioning the Führer's "Prophecy" was coming true as a sign that Hitler had ordered the Holocaust, and accused Irving of dishonesty in claiming that there was no sign in the Goebbels's diary that Hitler knew of the Holocaust Finally, Jäckel noted the frequent references to the "Prophecy Speech" in Hitler's wartime speeches as a sign that Hitler had ordered the Holocaust
Edited sentence: Likewise, Jäckel used Himmler's Posen speeches of 1943 and certain other statements on his part in 1944 referring to a "order" from an unnamed higher authority as proof that Hitler had ordered the Holocaust In the same way, Jäckel noted that Hitler's order of March 13, 1941 ordering that the Einsatzgruppen be reestablished for Operation Barbarossa as proof of the Führer's involvement in the Holocaust Jäckel also argued that the entry in Joseph Goebbels's diary on March 27, 1942 mentioning the Führer's "Prophecy" was coming true as a sign that Hitler had ordered the Holocaust, and accused Irving of dishonesty in claiming that there was no sign in the Goebbels's diary that Hitler knew of the Holocaust Finally, Jäckel noted the frequent references to the "Prophecy Speech" in Hitler's wartime speeches as a sign that Hitler had ordered the Holocaust