# Ernst Piper

> German historian of modern age and publisher

**Wikidata**: [Q1359782](https://www.wikidata.org/wiki/Q1359782)  
**Source**: https://4ort.xyz/entity/ernst-piper


## References

1. Integrated Authority File
2. BnF authorities
3. International Standard Name Identifier
4. Virtual International Authority File
5. CiNii Research
6. [Source](https://kalliope-verbund.info/DE-611-BF-127975)
7. archINFORM
8. [archINFORM](https://www.archinform.net/service/wd_aiarch.php)
9. National Library of Israel Names and Subjects Authority File
10. Bibliography of the History of the Czech Lands