# John Fillmore Hayford

> American geodesist (1868-1925)

**Wikidata**: [Q531272](https://www.wikidata.org/wiki/Q531272)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/John_Fillmore_Hayford)  
**Source**: https://4ort.xyz/entity/john-fillmore-hayford


## References

1. International Standard Name Identifier
2. Virtual International Authority File
3. CiNii Research
4. Encyclopædia Britannica Online
5. SNAC
6. Croatian Encyclopedia
7. Proleksis Encyclopedia
8. Freebase Data Dumps. 2013
9. Treccani's Enciclopedia on line
10. Enciclopedia Treccani