# Carl Hellfarth
**Wikidata**: [Q94930427](https://www.wikidata.org/wiki/Q94930427)  
**Source**: https://4ort.xyz/entity/carl-hellfarth


## References

1. Czech National Authority Database
2. Integrated Authority File
3. Catalog of the German National Library
4. [Geographicus Rare Antique Maps biographical dictionary of cartographers](https://www.geographicus.com/P/RareMaps/hellfarthcarl)