# John P. Klein
**Wikidata**: [Q112462774](https://www.wikidata.org/wiki/Q112462774)  
**Source**: https://4ort.xyz/entity/john-p-klein


## References

1. IdRef
2. Czech National Authority Database
3. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
4. CiNii Research
5. Virtual International Authority File
6. Catalogo of the National Library of India