# Sadao Koyama

> Japanese law scholar and historian

**Wikidata**: [Q11459990](https://www.wikidata.org/wiki/Q11459990)  
**Source**: https://4ort.xyz/entity/sadao-koyama


## References

1. CiNii Research
2. [Source](https://www.japan-acad.go.jp/en/members/2/koyama_sadao.html)