- Author: Oswald Spengler (editor), Anke Birkenmaier (editor)
- Language: Spanish, Castilian
- Year: 2020
- Author: Birgit Spengler (editor), Babette B. Tischleder (editor)
- Language: English
- Year: 2019
- Author: T. C. Bog-Hansen (editor), G. A. Spengler (editor)
- Language: English
- Year: 1983
- Author: Hans Corsten (editor), Ralf Gössinger (editor), Thomas S. Spengler (editor)
- Language: German
- Year: 2018
- Author: Hans Corsten (editor), Ralf Gössinger (editor), Thomas S. Spengler (editor)
- Language: German
- Year: 2018
- Author: Birgit Spengler (editor) Babette B. Tischleder (editor)
- Language: English
- Year: 2020