# Carl Leiss
**Wikidata**: [Q55904325](https://www.wikidata.org/wiki/Q55904325)  
**Source**: https://4ort.xyz/entity/carl-leiss


## References

1. CERL Thesaurus
2. Catalog of the German National Library
3. [Source](http://thesaurus.cerl.org/record/cnp01140991)
4. Biodiversity Heritage Library