# Leonid Heller
**Wikidata**: [Q95328442](https://www.wikidata.org/wiki/Q95328442)  
**Source**: https://4ort.xyz/entity/leonid-heller


## References

1. Czech National Authority Database
2. Catalog of the German National Library
3. [Source](http://catalogo.share-cat.unina.it/sharecat/searchNames?n_cluster_id=561356)
4. Persée
5. Virtual International Authority File
6. Babelio
7. National Library of Israel Names and Subjects Authority File