# Richard Ackermann
**Wikidata**: [Q4059621](https://www.wikidata.org/wiki/Q4059621)  
**Source**: https://4ort.xyz/entity/richard-ackermann-q4059621


## References

1. Integrated Authority File
2. Czech National Authority Database
3. Catalog of the German National Library
4. Virtual International Authority File
5. Open Library
6. MAK