# Ivan Andreevich Gladkov
**Wikidata**: [Q95219935](https://www.wikidata.org/wiki/Q95219935)  
**Source**: https://4ort.xyz/entity/ivan-andreevich-gladkov


## References

1. Czech National Authority Database
2. Catalog of the German National Library
3. Virtual International Authority File
4. CiNii Research
5. Chuvash encyclopedia