Per Faxneld, Witches, Anarchism, and Evolutionism, in The Devil's Party, Chapter 3, Oxford University Press, 2013: ...from the 1910s and onwards (until at least 1925), horror author and poet Hanns Heinz Ewers (1871–1943) held wildly popular lectures with the title "Die Religion des Satan", based almost verbatim on "Die Synagoge des Satan".
