In 1930, General Erich Ludendorff, who was a member of the Thule Society, warned that the Nazis were heavily infiltrated by Freemasons from the old Prussian lodges and the Jesuits, and that their ultimate goal was the destruction of Germany and Europe.

Ludendorff's book on Freemasonry:
Vernichtung Der Freimaurerei Durch Enthuellung Ihrer Geheimnisse
Vernichtung der Freimaurerei Komplett

https://archive.org/details/erich-ludendorff-vernichtung-der-freimaurerei-durch-enthuellung-ihrer-geheimniss/page/2/mode/2up
Audiobook (German): https://archive.org/details/Ludendorff_Vernichtung_der_Freimaurerei