# Vladimir Sperber
**Wikidata**: [Q21282238](https://www.wikidata.org/wiki/Q21282238)  
**Source**: https://4ort.xyz/entity/vladimir-sperber


## References

1. Catalog of the German National Library
2. [Source](https://wikidata-externalid-url.toolforge.org/?p=8034&url_prefix=https://opac.vatlib.it/auth/detail/&id=495%2F351450)