# Frank Castle

> mathematician

**Wikidata**: [Q109853761](https://www.wikidata.org/wiki/Q109853761)  
**Source**: https://4ort.xyz/entity/frank-castle-q109853761


## References

1. NUKAT
2. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
3. Trove
4. Open Library
5. Grace's Guide
6. National Library of Israel Names and Subjects Authority File
7. Catalogo of the National Library of India