# Karl E. Fick
**Wikidata**: [Q94942415](https://www.wikidata.org/wiki/Q94942415)  
**Source**: https://4ort.xyz/entity/karl-e-fick


## References

1. Catalog of the German National Library
2. Czech National Authority Database
3. Integrated Authority File
4. [Deutsche Digitale Bibliothek](https://www.deutsche-digitale-bibliothek.de/person/gnd/137625642)
5. Virtual International Authority File