# Gustav Koepper

> German publisher (1872-1969)

**Wikidata**: [Q59532430](https://www.wikidata.org/wiki/Q59532430)  
**Source**: https://4ort.xyz/entity/gustav-koepper


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. Virtual International Authority File
4. NUKAT
5. MAK
6. IdRef