# Jan Ruff
**Wikidata**: [Q107837433](https://www.wikidata.org/wiki/Q107837433)  
**Source**: https://4ort.xyz/entity/jan-ruff


## References

1. Auschwitz Prisoners Database
2. Sejm-Wielki.pl
3. NUKAT
4. [MAK](http://mak.bn.org.pl/cgi-bin/KHW/makwww.exe?BM=1&NU=1&IM=4&WI=9810605467505606)
5. [Source](http://mak.bn.org.pl/cgi-bin/KHW/makwww.exe?BM=1&NU=1&IM=4&WI=9810605467505606)