# Johann Friedrich Haakh
**Wikidata**: [Q55906062](https://www.wikidata.org/wiki/Q55906062)  
**Source**: https://4ort.xyz/entity/johann-friedrich-haakh


## References

1. Integrated Authority File
2. CERL Thesaurus
3. [Source](http://thesaurus.cerl.org/record/cnp01288655)