# Friedrich Karl Müller-Trefzer
**Wikidata**: [Q61204998](https://www.wikidata.org/wiki/Q61204998)  
**Source**: https://4ort.xyz/entity/friedrich-karl-m-ller-trefzer


## References

1. Integrated Authority File
2. [Source](https://kalliope-verbund.info/DE-611-BF-96748)
3. VcBA (identifier)