https://archive.org/details/die-gebruder-grimm-marchen-nationale-romantik
https://archive.org/details/das-ratselhafte-universum-zoomposium-mit-prof.-dr.-thomas-naumann-und-dr.-ilja-bonet
https://archive.org/details/die-suche-nach-dem-code-des-gehirns-zoomposium-mit-prof.-john-dylan-haynes
https://archive.org/details/das-verborgene-kammersystem-der-cheops-pyramide-axel-klitzke
https://archive.org/details/eva-menasse-uber-meinungsfreiheit-bekenntniszwang-sternstunde-philosophie-srf-kultur
https://archive.org/details/rainer-mausfeld-demokratie-oder-zivilisatorischer-abgrund-aus-hybris-und-nemesis