# Jakob Fels
**Wikidata**: [Q55913031](https://www.wikidata.org/wiki/Q55913031)  
**Source**: https://4ort.xyz/entity/jakob-fels


## References

1. CERL Thesaurus
2. Catalog of the German National Library
3. BnF authorities
4. [Source](http://thesaurus.cerl.org/record/cnp01368052)