# Henryk Gaczyński
**Wikidata**: [Q110226741](https://www.wikidata.org/wiki/Q110226741)  
**Source**: https://4ort.xyz/entity/henryk-gaczy-ski


## References

1. Czech National Authority Database
2. [online catalogue of Huis van het boek. 1938](https://mmm-web.adlibhosting.com/AIS6/Details/collect/7539519)
3. NUKAT
4. MAK