# Tadeusz Siwek

> Czech geographer

**Wikidata**: [Q15124293](https://www.wikidata.org/wiki/Q15124293)  
**Source**: https://4ort.xyz/entity/tadeusz-siwek-q15124293


## References

1. Czech National Authority Database
2. [Records of persons of interest](http://svazky.cz/test/svazkyMT.php?jmeno=Tadeusz&prijm=Siwek&dnar=23.11.1953&hledej=Hledat)
3. Integrated Authority File
4. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
5. Virtual International Authority File
6. Polish Science
7. [Source](http://svazky.cz/test/svazkyMT.php?jmeno=Tadeusz&prijm=Siwek&dnar=23.11.1953&hledej=Hledat)
8. [WHO IS WHO in Czech Slavonic Studies](http://www.slaviste.cz/index.php?page=detail&id=126-siwek-tadeusz-doc-rndr-csc)
9. Sejm-Wielki.pl
10. Bibliography of the History of the Czech Lands
11. [Regional Database of the Central Bohemian Research Library in Kladno](https://ipac.svkkl.cz/arl-kl/cs/detail-kl_us_auth-p0100938-Siwek-Tadeusz-1953)