# Karl Friedrich Umpfenbach

> German economist (1832-1907)

**Wikidata**: [Q1264462](https://www.wikidata.org/wiki/Q1264462)  
**Source**: https://4ort.xyz/entity/karl-friedrich-umpfenbach


## References

1. Integrated Authority File
2. Czech National Authority Database
3. International Standard Name Identifier
4. Virtual International Authority File
5. Hessian Biography
6. IdRef