# Jan Hajda

> Czech-born American sociologist (1927–2018)

**Wikidata**: [Q100149431](https://www.wikidata.org/wiki/Q100149431)  
**Source**: https://4ort.xyz/entity/jan-hajda-q100149431


## References

1. Czech National Authority Database
2. [Records of persons of interest](http://svazky.cz/test/svazkyMT.php?jmeno=Jan&prijm=Hajda&dnar=02.03.1927&hledej=Hledat)
3. [Portland State University. 2018](https://content.library.pdx.edu/files/PDXScholar/RAPS-Sheet-2018-September/4/)
4. Virtual International Authority File
5. [Source](http://svazky.cz/test/svazkyMT.php?jmeno=Jan&prijm=Hajda&dnar=02.03.1927&hledej=Hledat)
6. Bibliography of the History of the Czech Lands