# Ludwig Klee
**Wikidata**: [Q61717577](https://www.wikidata.org/wiki/Q61717577)  
**Source**: https://4ort.xyz/entity/ludwig-klee


## References

1. Source
2. Catalog of the German National Library
3. CiNii Research
4. International Music Score Library Project
5. Czech National Authority Database
6. Virtual International Authority File
7. National Library of Israel Names and Subjects Authority File