# Johann Ludwig Ruel
**Wikidata**: [Q106267247](https://www.wikidata.org/wiki/Q106267247)  
**Source**: https://4ort.xyz/entity/johann-ludwig-ruel


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. Virtual International Authority File
4. CERL Thesaurus
5. datos.bne.es
6. [Source](http://data.nlg.gr/resource/authority/record168659)
7. [Source](http://mak.bn.org.pl/cgi-bin/KHW/makwww.exe?BM=1&NU=1&IM=4&WI=9810536275305606)
8. Catalogue of the Capitular Library of Verona