# Constance Dittrich

> German librarian

**Wikidata**: [Q113778745](https://www.wikidata.org/wiki/Q113778745)  
**Source**: https://4ort.xyz/entity/constance-dittrich


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. IdRef
4. Virtual International Authority File
5. Index Theologicus
6. CiNii Research