# Johann Gotthelf Gräfe
**Wikidata**: [Q55909860](https://www.wikidata.org/wiki/Q55909860)  
**Source**: https://4ort.xyz/entity/johann-gotthelf-gr-fe


## References

1. CERL Thesaurus
2. [Source](http://thesaurus.cerl.org/record/cnp00427790)