The ISOC In Spirit of Chartres Committee may have directions for you to go.
As for myself: First and foremost, study and understand where the Catholic Church was from the very beginning, invoking the Jews. So destructive that the Church had Inquisitions for 6 centuries. Laws in place for anyone who supported or protected Jews. "The Plot Against the Church" is very thorough how the Church defended herself.
As for Hitler, he was confronted by the German people. They wanted their jobs. Hitler told the people not to support the Jews operations, businesses.
Did Hitler have them murdered? He did have the Jews in labor camps. But the Jews uses these times to spread lies. I do not believe there were millions killed. I do not and never will use the word h0Ɩ0cαųst, only Christ was a True Holy Sacrifice.
I believe Hitler went wrong some where in his thinking. But be sure you read and understand how destructive Jews were and still are today. They are in Fɾҽҽmαsσɳɾყ, secret societies, and their goal is complete take over of the world.