# Maria Vierdag

> Dutch swimmer (1905-2005)

**Wikidata**: [Q463152](https://www.wikidata.org/wiki/Q463152)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Maria_Vierdag)  
**Source**: https://4ort.xyz/entity/maria-vierdag


## References

1. [Source](http://www.sports-reference.com/olympics/athletes/vi%2Frie-vierdag-1.html)
2. Virtual International Authority File
3. Freebase Data Dumps. 2013