# Richard Haehl
**Wikidata**: [Q94863995](https://www.wikidata.org/wiki/Q94863995)  
**Source**: https://4ort.xyz/entity/richard-haehl


## References

1. Integrated Authority File
2. BnF authorities
3. Catalog of the German National Library
4. Faceted Application of Subject Terminology
5. Virtual International Authority File