# Richard Heidan
**Wikidata**: [Q26678613](https://www.wikidata.org/wiki/Q26678613)  
**Source**: https://4ort.xyz/entity/richard-heidan


## References

1. [Records of persons of interest](http://svazky.cz/test/svazkyMT.php?jmeno=Richard&prijm=Heidan&dnar=13.09.1893&hledej=Hledat)
2. Integrated Authority File
3. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
4. Bibliography of the History of the Czech Lands
5. [Source](http://svazky.cz/test/svazkyMT.php?jmeno=Richard&prijm=Heidan&dnar=13.09.1893&hledej=Hledat)