https://archive.org/details/90-jahre-sind-kein-alter-arte
https://archive.org/details/die-dunkelsten-geheimnisse-von-maria-magdalena-das-tagebuch-von-julius-casar
https://archive.org/details/rudolf-taschner-geheime-botschaften
https://archive.org/details/arte-im-lauf-der-zeit-champollion-und-die-hieroglyphen-agyptens
https://archive.org/details/wolfsblut-jack-london
https://archive.org/details/dadalus-und-ikarus-uber-den-wolken-arte
https://archive.org/details/eine-ideale-welt-brauchte-keine-zoos-sternstunde-philosophie-srf-kultur
https://archive.org/details/warum-ist-sprache-so-machtig-sternstunde-philosophie-srf-kultur
https://archive.org/details/arte-die-letzten-geheimnisse-der-titanic