# Jerzy Kowalczyk

> 1927-

**Wikidata**: [Q104738888](https://www.wikidata.org/wiki/Q104738888)  
**Source**: https://4ort.xyz/entity/jerzy-kowalczyk


## References

1. Virtual International Authority File
2. Catalog of the German National Library
3. Faceted Application of Subject Terminology
4. NUKAT
5. MAK
6. [Source](http://mak.bn.org.pl/cgi-bin/KHW/makwww.exe?BM=1&NU=1&IM=4&WI=9810556385505606)