# Johann Georg Zetter
**Wikidata**: [Q1506523](https://www.wikidata.org/wiki/Q1506523)  
**Source**: https://4ort.xyz/entity/johann-georg-zetter


## References

1. [Source](https://archive.org/details/bub_gb_PLUrAQAAIAAJ/page/n431/mode/2up)
2. [Source](https://archive.org/details/bub_gb_PLUrAQAAIAAJ/page/n433/mode/2up)
3. Integrated Authority File
4. Virtual International Authority File
5. CERL Thesaurus