# Stephen S. Prokopoff
**Wikidata**: [Q55993399](https://www.wikidata.org/wiki/Q55993399)  
**Source**: https://4ort.xyz/entity/stephen-s-prokopoff


## References

1. IdRef
2. datos.bne.es
3. Faceted Application of Subject Terminology
4. National Library of Israel Names and Subjects Authority File