# Educational Testing Service

> world's largest private nonprofit educational testing and assessment organization

**Wikidata**: [Q959089](https://www.wikidata.org/wiki/Q959089)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Educational_Testing_Service)  
**Source**: https://4ort.xyz/entity/educational-testing-service


## References

1. GRID Release 2017-01-10
2. BnF authorities
3. Virtual International Authority File
4. CiNii Research
5. [Source](https://www.w3.org/Consortium/Member/List)
6. Freebase Data Dumps. 2013
7. Czech National Authority Database
8. Google Knowledge Graph
9. [Source](http://km.aifb.kit.edu/services/crunchbase/)
10. GRID Release 2015-12-14
11. GRID Release 2016-12-06
12. Aligned ISNI and Ringgold identifiers for institutions
13. Microsoft Academic Knowledge Graph
14. National Library of Israel Names and Subjects Authority File
15. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)