# Israel Spach
**Wikidata**: [Q19918447](https://www.wikidata.org/wiki/Q19918447)  
**Source**: https://4ort.xyz/entity/israel-spach


## References

1. Virtual International Authority File
2. Mathematics Genealogy Project
3. [LIBRIS. 2018](https://libris.kb.se/fcrv16vz3sf7jmx)