# N. N. Bogdanov-Katʹkov
**Wikidata**: [Q4089291](https://www.wikidata.org/wiki/Q4089291)  
**Source**: https://4ort.xyz/entity/n-n-bogdanov-kat-kov


## References

1. IdRef
2. Czech National Authority Database
3. Virtual International Authority File
4. NUKAT