# Walter Grünfeld
**Wikidata**: [Q109854278](https://www.wikidata.org/wiki/Q109854278)  
**Source**: https://4ort.xyz/entity/walter-gr-nfeld


## References

1. Integrated Authority File
2. NUKAT
3. [Source](https://www.gutenberg.org/ebooks/author/2323)
4. Open Library
5. MAK