# Theodor Umlauff

> German trader of naturalia

**Wikidata**: [Q134544920](https://www.wikidata.org/wiki/Q134544920)  
**Source**: https://4ort.xyz/entity/theodor-umlauff


## References

1. [Source](https://www.invaluable.com/auction-lot/biologie-zoologie-umlauff-53-c-15f47888c9)
2. [Source](https://nosbuesch-stucke.berlin/lots/auktion-25/lot-53-umlauff-theodor/)
3. [Source](https://doi.org/10.1515/9783839438657-003)