https://archive.org/details/alexander-stier-das-geheimnis-der-macht-uber-die-kollektive-realitat
https://archive.org/details/tom-campbell-cropfm-interview-2019
https://archive.org/details/die-zahl-33-und-ihre-bedeutung-eric-dubay
https://archive.org/details/die-meisten-menschen-schlafen-noch-kurt-tepperwein-uber-das-erwachte-bewusstsein