# Graham Holdings Company

> diversified American conglomerate

**Wikidata**: [Q3121014](https://www.wikidata.org/wiki/Q3121014)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Graham_Holdings)  
**Source**: https://4ort.xyz/entity/graham-holdings-company


## References

1. [GRID](https://www.grid.ac/institutes/grid.467604.7)
2. GRID Release 2017-01-10
3. [Source](https://www.nyse.com/quote/XNYS:GHC)
4. Polygon.io
5. Freebase Data Dumps. 2013
6. [Source](http://www.ariva.de/graham_holdings_company-aktie/bilanz-guv)
7. Global LEI Index
8. [Source](http://km.aifb.kit.edu/services/crunchbase/)
9. GRID Release 2016-12-06
10. Quora
11. Aligned ISNI and Ringgold identifiers for institutions
12. National Library of Israel Names and Subjects Authority File
13. Wikirate