# Rudolf von der Aa

> German veterinarian (1913-1991)

**Wikidata**: [Q2174310](https://www.wikidata.org/wiki/Q2174310)  
**Source**: https://4ort.xyz/entity/rudolf-von-der-aa


## References

1. Integrated Authority File
2. Czech National Authority Database
3. International Standard Name Identifier
4. Virtual International Authority File