https://archive.org/details/5-g-und-corona-haben-wir-etwas-uebersehen-harald-lesch
https://archive.org/details/profitiert-die-schweiz-vom-boesen-mythos-neutralitt-sternstunde-philosophie-srf-kultur
https://archive.org/details/die-unbewussten-wurzeln-des-leids-jack-kornfield