# Theo Sommerlad

> German historian (1869-1940)

**Wikidata**: [Q20734061](https://www.wikidata.org/wiki/Q20734061)  
**Source**: https://4ort.xyz/entity/theo-sommerlad


## References

1. Catalog of the German National Library
2. Czech National Authority Database
3. Catalogus Professorum Halensis
4. Virtual International Authority File
5. CiNii Research
6. CERL Thesaurus
7. [Source](http://www.catalogus-professorum-halensis.de/sommerladtheo.html)