# Tadeusz Kupczyński

> Polish historian (1885-1967)

**Wikidata**: [Q9354511](https://www.wikidata.org/wiki/Q9354511)  
**Source**: https://4ort.xyz/entity/tadeusz-kupczy-ski


## References

1. Czech National Authority Database
2. NUKAT
3. Virtual International Authority File
4. Sejm-Wielki.pl