https://archive.org/details/schwarze-locher-von-einstein-bis-hawking-andreas-muller
https://archive.org/details/jeder-kann-mit-seinen-angsten-klarkommen-dr.-med.-pablo-hagemeyer
https://archive.org/details/narrative-98-by-robert-cibis-die-transhumanistische-versuchung
https://archive.org/details/engagement-zwischen-idealismus-und-ohnmacht-sternstunde-philosophie-srf-kultur