# Островер, Леон Исаакович
**Wikidata**: [Q4338929](https://www.wikidata.org/wiki/Q4338929)  
**Source**: https://4ort.xyz/entity/q4338929


## References

1. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
2. Library of Congress Authorities
3. National Library of Israel Names and Subjects Authority File