# Eugen Jäckh
**Wikidata**: [Q94893965](https://www.wikidata.org/wiki/Q94893965)  
**Source**: https://4ort.xyz/entity/eugen-j-ckh


## References

1. Catalog of the German National Library
2. Integrated Authority File
3. Virtual International Authority File
4. [Source](https://kalliope-verbund.info/DE-611-BF-110820)
5. CERL Thesaurus