# V. F. Kotok
**Wikidata**: [Q4236273](https://www.wikidata.org/wiki/Q4236273)  
**Source**: https://4ort.xyz/entity/v-f-kotok


## References

1. IdRef
2. Czech National Authority Database
3. Virtual International Authority File
4. Integrated Authority File
5. National Library of Israel Names and Subjects Authority File