# Leopold Haase

> German photographer, illustrator, and book merchant (1831–1901)

**Wikidata**: [Q53501972](https://www.wikidata.org/wiki/Q53501972)  
**Source**: https://4ort.xyz/entity/leopold-haase


## References

1. Catalog of the German National Library
2. Integrated Authority File
3. The Stuttgart Database of Scientific Illustrators 1450–1950