# Klaus A. Maier

> German historian and non-fiction writer

**Wikidata**: [Q19971781](https://www.wikidata.org/wiki/Q19971781)  
**Source**: https://4ort.xyz/entity/klaus-a-maier


## References

1. Integrated Authority File
2. general catalog of BnF
3. Virtual International Authority File
4. CiNii Research
5. NUKAT
6. MAK
7. IdRef
8. National Library of Israel Names and Subjects Authority File
9. Catalogo of the National Library of India