# Ludger Schiffler
**Wikidata**: [Q91623371](https://www.wikidata.org/wiki/Q91623371)  
**Source**: https://4ort.xyz/entity/ludger-schiffler


## References

1. BnF authorities
2. Catalog of the German National Library
3. CiNii Research
4. Virtual International Authority File
5. National Library of Israel Names and Subjects Authority File