# Fritz Osterwalder
**Wikidata**: [Q113775510](https://www.wikidata.org/wiki/Q113775510)  
**Source**: https://4ort.xyz/entity/fritz-osterwalder


## References

1. IdRef
2. Catalog of the German National Library
3. Index Theologicus
4. Integrated Authority File
5. National Library of Israel Names and Subjects Authority File