# Constantin John

> born:1849|died:1917|; John, C.; John, Constantin, 1849-1917

**Wikidata**: [Q59527004](https://www.wikidata.org/wiki/Q59527004)  
**Source**: https://4ort.xyz/entity/constantin-john


## References

1. BnF authorities
2. Czech National Authority Database
3. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
4. Virtual International Authority File