# Henry Grattan Tyrrell

> Canada engineer (bridges)

**Wikidata**: [Q18911772](https://www.wikidata.org/wiki/Q18911772)  
**Source**: https://4ort.xyz/entity/henry-grattan-tyrrell


## References

1. Smithsonian Online Virtual Archives
2. Find a Grave
3. Integrated Authority File
4. [Source](https://discoverarchives.library.utoronto.ca/index.php/henry-grattan-tyrrell-papers)
5. Virtual International Authority File
6. Faceted Application of Subject Terminology