# Rudolf Pfefferkorn
**Wikidata**: [Q95221905](https://www.wikidata.org/wiki/Q95221905)  
**Source**: https://4ort.xyz/entity/rudolf-pfefferkorn-q95221905


## References

1. Students of the Universities of Prague 1882–1945
2. Catalog of the German National Library
3. Faceted Application of Subject Terminology
4. Virtual International Authority File
5. National Library of Israel Names and Subjects Authority File