# Yūichirō Koseki

> Japanese historian

**Wikidata**: [Q105258609](https://www.wikidata.org/wiki/Q105258609)  
**Source**: https://4ort.xyz/entity/y-ichir-koseki


## References

1. IdRef
2. Catalog of the German National Library
3. CiNii Research
4. KAKEN
5. Virtual International Authority File