# Karl Friedrich August Hartmann
**Wikidata**: [Q94903369](https://www.wikidata.org/wiki/Q94903369)  
**Source**: https://4ort.xyz/entity/karl-friedrich-august-hartmann


## References

1. Catalog of the German National Library
2. [Source](https://kalliope-verbund.info/DE-611-BF-109177)