# Július Sopko

> Slovak historian

**Wikidata**: [Q12768749](https://www.wikidata.org/wiki/Q12768749)  
**Source**: https://4ort.xyz/entity/j-lius-sopko


## References

1. [Records of persons of interest](http://svazky.cz/test/svazkyMT.php?jmeno=Julius&prijm=Sopko&dnar=01.06.1929&hledej=Hledat)
2. BnF authorities
3. Personal Authority Wikibase of the Czech Republic
4. general catalog of BnF
5. Virtual International Authority File
6. [Source](https://facebook.com/story.php?story_fbid=10160996049982575&id=338309592574)
7. [Source](http://svazky.cz/test/svazkyMT.php?jmeno=Julius&prijm=Sopko&dnar=01.06.1929&hledej=Hledat)
8. National Library of Israel Names and Subjects Authority File
9. Bibliography of the History of the Czech Lands