# Carl Israel Ruders
**Wikidata**: [Q52154368](https://www.wikidata.org/wiki/Q52154368)  
**Source**: https://4ort.xyz/entity/carl-israel-ruders


## References

1. Integrated Authority File
2. LIBRIS. 2018
3. Faceted Application of Subject Terminology
4. National Library of Portugal
5. Virtual International Authority File