# Sigizmund Valk

> Soviet historian (1887-1975)

**Wikidata**: [Q4102913](https://www.wikidata.org/wiki/Q4102913)  
**Source**: https://4ort.xyz/entity/sigizmund-valk


## References

1. Great Soviet Encyclopedia (1969–1978)
2. Czech National Authority Database
3. Q137170397
4. NLR Employees
5. general catalog of BnF
6. Virtual International Authority File
7. National Library of Israel Names and Subjects Authority File