# Ruth Klappenbach
**Wikidata**: [Q42529386](https://www.wikidata.org/wiki/Q42529386)  
**Source**: https://4ort.xyz/entity/ruth-klappenbach


## References

1. [BnF authorities](https://catalogue.bnf.fr/ark:/12148/cb12755206h)
2. general catalog of BnF
3. Virtual International Authority File
4. [Source](https://aleph.nkp.cz/F/?func=find-c&local_base=aut&ccl_term=ica=xx0084881&CON_LNG=ENG)
5. NUKAT
6. CONOR.SR
7. Library of Congress Control Number
8. National Library of Israel Names and Subjects Authority File