# Herman K. Hellerstein
**Wikidata**: [Q94113003](https://www.wikidata.org/wiki/Q94113003)  
**Source**: https://4ort.xyz/entity/herman-k-hellerstein


## References

1. Czech National Authority Database
2. Virtual International Authority File
3. Faceted Application of Subject Terminology
4. [LIBRIS. 2007](https://libris.kb.se/75knsx7r1jvf07p)
5. National Library of Israel Names and Subjects Authority File