# Róbert Letz

> Slovak historian

**Wikidata**: [Q13403928](https://www.wikidata.org/wiki/Q13403928)  
**Source**: https://4ort.xyz/entity/r-bert-letz


## References

1. Czech National Authority Database
2. Virtual International Authority File
3. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
4. Catalogue of the Library of the Pontifical University of the Holy Cross
5. Bibliography of the History of the Czech Lands