# Vello Viirsalu

> Estonian orienteering person, sports historian and physician (1938-2011)

**Wikidata**: [Q20089711](https://www.wikidata.org/wiki/Q20089711)  
**Source**: https://4ort.xyz/entity/vello-viirsalu


## References

1. Biographical lexicon of Estonian sport
2. Virtual International Authority File