# Johann Isaak Berghaus
**Wikidata**: [Q55122776](https://www.wikidata.org/wiki/Q55122776)  
**Source**: https://4ort.xyz/entity/johann-isaak-berghaus


## References

1. Czech National Authority Database
2. Integrated Authority File
3. Catalog of the German National Library
4. MAK
5. Virtual International Authority File
6. National Library of Israel Names and Subjects Authority File