https://archive.org/details/das-ende-vom-ende-apokalyptisches-denken-im-20.-und-21.-jahrhundert-dr.-dr.-ulrich-van-loyen
https://archive.org/details/die-letzten-tage-von-jim-morrison-michaelle-gagnet
https://archive.org/details/die-geschichte-des-geldes-erklart-erklar-mir-die-welt