# Konstantin Vasilʹevich Sivkov
**Wikidata**: [Q17280986](https://www.wikidata.org/wiki/Q17280986)  
**Source**: https://4ort.xyz/entity/konstantin-vasil-evich-sivkov


## References

1. Great Soviet Encyclopedia (1969–1978)
2. IdRef
3. Virtual International Authority File
4. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
5. Library of Congress Authorities
6. National Library of Israel Names and Subjects Authority File