# Joseph Ulm
**Wikidata**: [Q94575244](https://www.wikidata.org/wiki/Q94575244)  
**Source**: https://4ort.xyz/entity/joseph-ulm


## References

1. Ulm, Joseph Freiherr (BLKÖ)
2. Catalog of the German National Library
3. Integrated Authority File
4. Biographisches Lexikon des Kaiserthums Oesterreich
5. CERL Thesaurus