# Erkki A. Wirtanen

> Finnish chess player

**Wikidata**: [Q17384874](https://www.wikidata.org/wiki/Q17384874)  
**Source**: https://4ort.xyz/entity/erkki-a-wirtanen


## References

1. [BnF authorities](https://catalogue.bnf.fr/ark:/12148/cb16963881j)
2. Virtual International Authority File
3. BnF authorities
4. Handbook of Chess Composition