https://archive.org/details/thomas-ritter-naturwesen-in-irland-schottland-feen-elfen-trolle-mehr
https://archive.org/details/woher-kommen-die-zwei-bewusstseine-in-ihrem-kopf-homo-deus
https://archive.org/details/zib-2-history-75-jahre-nato-vom-03.04.2024