# Moritz O. Fraenkel
**Wikidata**: [Q55902147](https://www.wikidata.org/wiki/Q55902147)  
**Source**: https://4ort.xyz/entity/moritz-o-fraenkel


## References

1. CERL Thesaurus
2. IdRef
3. Czech National Authority Database
4. Catalog of the German National Library
5. Alvin
6. NUKAT