Mathematics at Göttingen under the Nazis [pdf]
sites.tufts.edu
sites.tufts.edu
Oberstdorf is not in Tyrol.
And he didn't notice that catholics were often anti Nazi.
"If everywhere in Germany had voted like catholic western and southern Germany, Hitler would never have made it. He was shot to national prominence largely by votes from the rural east in 1930. In 1932, those same regions led the swing which made the Nazis the largest party. At this point, a right-wing nationalist scheme hatched in East Prussia got Hitler appointed Chancellor."
https://www.waterstones.com/blog/james-hawes-on-5-things-you...