# Zdeněk Ullrich
**Wikidata**: [Q95176181](https://www.wikidata.org/wiki/Q95176181)  
**Source**: https://4ort.xyz/entity/zden-k-ullrich


## References

1. Czech National Authority Database
2. Students of the Universities of Prague 1882–1945
3. Regional Database of the Central Bohemian Research Library in Kladno
4. Faceted Application of Subject Terminology
5. Virtual International Authority File
6. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
7. Slovník českých nakladatelství 1848–1949
8. Bibliography of the History of the Czech Lands