# George Simpson Koyl

> American architect and author, active in Colorado, New York and Pennsylvania

**Wikidata**: [Q125047083](https://www.wikidata.org/wiki/Q125047083)  
**Source**: https://4ort.xyz/entity/george-simpson-koyl


## References

1. [Philadelphia Architects and Buildings Project](https://www.philadelphiabuildings.org/pab/app/ar_display.cfm/22781)
2. archINFORM
3. [archINFORM](https://www.archinform.net/service/wd_aiarch.php)