https://archive.org/details/charles-fleischhauer-die-zauberflote-mozart-freimaurer-und-illuminaten
https://archive.org/details/die-unglaubliche-reise-zu-mysteriosen-exoplaneten-modyssee
https://archive.org/details/10-grunde-warum-die-agyptischen-pyramiden-wissenschaftler-erschrecken
https://archive.org/details/der-runenstein-von-rok-rokstenen-pso
https://archive.org/details/isaac-asimov-arte
https://archive.org/details/joseph-stiglitz-und-seine-kritik-am-kapitalismus-sternstunde-philosophie-srf-kultur
https://archive.org/details/symbology-die-suche-nach-wahrheit-uber-das-ringen-nach-authentizitat
https://archive.org/details/dennis-lehane-alles-was-heilig-ist