# Stefan Heltman
**Wikidata**: [Q9345032](https://www.wikidata.org/wiki/Q9345032)  
**Source**: https://4ort.xyz/entity/stefan-heltman


## References

1. [Source](http://hbc.bas-net.by/hbcinfo/books/Grummo2016-1.pdf)
2. [Source](http://viaf.org/viaf/data/viaf-20170101-links.txt.gz)
3. Virtual International Authority File
4. Sejm-Wielki.pl