https://archive.org/details/dante-alighieri-macht-und-dekadenz-arte
https://archive.org/details/narrative-2-by-robert-winkler-zensur-ein-symptom-der-schwache-der-machtigen
https://archive.org/details/craig-russell-hyde-1
https://archive.org/details/craig-russell-hyde-2
https://archive.org/details/narrative-38-by-robert-cibis-perversion-des-geistes
https://archive.org/details/das-geheimnisvolle-steinzeit-dorf-arte