https://archive.org/details/mark-dawson-der-fahrer
https://archive.org/details/die-geheimnisvolle-legende-von-atlantis-modyssee
https://archive.org/details/millionen-werden-es-nutzen-der-schlussel-zum-universum
https://archive.org/details/prof.-dr.-thomas-lohse-wie-funktioniert-die-welt-vom-elementarteilchen-zum-kosmos
https://archive.org/details/p.-d.-james-ein-spiel-zuviel
https://archive.org/details/anja-junuleit-das-letzte-bild-1
https://archive.org/details/anja-junuleit-das-letzte-bild-2
https://archive.org/details/symbology-das-geheimnis-der-gnosis-uber-die-suche-nach-dem-ursprung