# Johann Heinrich Hadewig
**Wikidata**: [Q60845258](https://www.wikidata.org/wiki/Q60845258)  
**Source**: https://4ort.xyz/entity/johann-heinrich-hadewig


## References

1. CERL Thesaurus
2. Catalog of the German National Library
3. NUKAT
4. [Source](http://thesaurus.cerl.org/record/cnp01875902)
5. FactGrid