# Jan Stanisław Witkiewicz
**Wikidata**: [Q17648252](https://www.wikidata.org/wiki/Q17648252)  
**Source**: https://4ort.xyz/entity/jan-stanis-aw-witkiewicz


## References

1. Integrated Authority File
2. BnF authorities
3. Virtual International Authority File
4. [BnF authorities](http://data.bnf.fr/ark:/12148/cb144343344)
5. National Library of Israel Names and Subjects Authority File