# International Society of Differentiation

> nonprofit organization in Saint Paul, United States

**Wikidata**: [Q50039251](https://www.wikidata.org/wiki/Q50039251)  
**Source**: https://4ort.xyz/entity/international-society-of-differentiation


## References

1. GRID Release 2018-02-08
2. Virtual International Authority File
3. National Library of Israel Names and Subjects Authority File