# Leonhard Schlemmer
**Wikidata**: [Q53506578](https://www.wikidata.org/wiki/Q53506578)  
**Source**: https://4ort.xyz/entity/leonhard-schlemmer


## References

1. BnF authorities
2. Catalog of the German National Library
3. Virtual International Authority File
4. The Stuttgart Database of Scientific Illustrators 1450–1950
5. CERL Thesaurus