# Hans-Joachim Klein

> German sociologist

**Wikidata**: [Q95308274](https://www.wikidata.org/wiki/Q95308274)  
**Source**: https://4ort.xyz/entity/hans-joachim-klein-q95308274


## References

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