# Rainer Lengeler
**Wikidata**: [Q131480802](https://www.wikidata.org/wiki/Q131480802)  
**Source**: https://4ort.xyz/entity/rainer-lengeler


## References

1. General Diamond Catalog
2. National Library of Israel Names and Subjects Authority File
3. Deutsche Digitale Bibliothek
4. Prabook
5. Virtual International Authority File