# Józef Popkiewicz
**Wikidata**: [Q110808953](https://www.wikidata.org/wiki/Q110808953)  
**Source**: https://4ort.xyz/entity/j-zef-popkiewicz


## References

1. IdRef
2. Virtual International Authority File
3. CiNii Research
4. [Source](http://mak.bn.org.pl/cgi-bin/KHW/makwww.exe?BM=1&NU=1&IM=4&WI=9810580816905606)