# Sergey Kovalsky
**Wikidata**: [Q18399134](https://www.wikidata.org/wiki/Q18399134)  
**Source**: https://4ort.xyz/entity/sergey-kovalsky-q18399134


## References

1. IdRef
2. Faceted Application of Subject Terminology
3. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
4. Virtual International Authority File
5. Library of Congress Authorities