# Johann Friedrich Märklin
**Wikidata**: [Q55901821](https://www.wikidata.org/wiki/Q55901821)  
**Source**: https://4ort.xyz/entity/johann-friedrich-m-rklin


## References

1. Integrated Authority File
2. CERL Thesaurus
3. Catalog of the German National Library
4. [Source](http://thesaurus.cerl.org/record/cnp00387102)