# Olga von Helmholtz
**Wikidata**: [Q60844980](https://www.wikidata.org/wiki/Q60844980)  
**Source**: https://4ort.xyz/entity/olga-von-helmholtz


## References

1. CERL Thesaurus
2. MacTutor History of Mathematics archive
3. Faceted Application of Subject Terminology
4. [MacTutor History of Mathematics archive](https://mathshistory.st-andrews.ac.uk/Biographies/Helmholtz/)
5. [Source](http://thesaurus.cerl.org/record/cnp00541978)
6. Library of Congress Control Number