# Daniel Joachim Köppen
**Wikidata**: [Q84099699](https://www.wikidata.org/wiki/Q84099699)  
**Source**: https://4ort.xyz/entity/daniel-joachim-k-ppen


## References

1. Catalog of the German National Library
2. CERL Thesaurus
3. Virtual International Authority File
4. [LIBRIS. 2012](https://libris.kb.se/pm1488z74hx205s)