https://archive.org/details/prof.-markus-gabriel-wie-orientieren-wir-uns-in-der-welt
https://archive.org/details/breaking-lab-die-grossten-irrtumer-der-wissenschaft-der-alteste-globus-der-welt
https://archive.org/details/sigmund-freud-fehlleistungen
https://archive.org/details/vom-higgsfeld-zum-bewusstsein-materie-besteht-nicht-aus-materie-josef-m.-gassner
https://archive.org/details/tote-stimmen-steve-mosby
https://archive.org/details/die-illustren-erlebnisse-des-ernest-hemingway-arte
https://archive.org/details/achtsam-morden-karsten-dusse