# Johann Friedrich Hamman
**Wikidata**: [Q60844970](https://www.wikidata.org/wiki/Q60844970)  
**Source**: https://4ort.xyz/entity/johann-friedrich-hamman


## References

1. CERL Thesaurus
2. Catalog of the German National Library
3. [Source](http://thesaurus.cerl.org/record/cnp00541591)