# Karl Böttcher
**Wikidata**: [Q89411035](https://www.wikidata.org/wiki/Q89411035)  
**Source**: https://4ort.xyz/entity/karl-b-ttcher-q89411035


## References

1. Integrated Authority File
2. archINFORM
3. Catalog of the German National Library
4. Virtual International Authority File
5. [archINFORM](https://www.archinform.net/service/wd_aiarch.php)