# John Jackson

> School principal in Belfast, and proponent of vertical handwriting

**Wikidata**: [Q61645269](https://www.wikidata.org/wiki/Q61645269)  
**Source**: https://4ort.xyz/entity/john-jackson-q61645269


## References

1. BnF authorities
2. [1920](https://catalog.hathitrust.org/Record/000052666)
3. United Kingdom censuses of 1911
4. [archINFORM](https://www.archinform.net/service/wd_aiarch.php)