# Jan Spiess
**Wikidata**: [Q112367642](https://www.wikidata.org/wiki/Q112367642)  
**Source**: https://4ort.xyz/entity/jan-spiess


## References

1. [REGO](https://aleph.vkol.cz/F/?func=find-c&ccl_term=sys=000006978&local_base=svk04)
2. Czech National Authority Database
3. The Fine Art Archive