# Johann Köhler
**Wikidata**: [Q94931131](https://www.wikidata.org/wiki/Q94931131)  
**Source**: https://4ort.xyz/entity/johann-k-hler-q94931131


## References

1. Czech National Authority Database
2. Catalog of the German National Library
3. Virtual International Authority File
4. [Source](http://www.maru.firenze.sbn.it/MareMagnum/mare_magnum.htm)