# Helmuth Otto Wagner

> German ornithologist (1897–1977)

**Wikidata**: [Q1604434](https://www.wikidata.org/wiki/Q1604434)  
**Source**: https://4ort.xyz/entity/helmuth-otto-wagner


## References

1. Integrated Authority File
2. [Source](https://bionomia.net/Q1604434)
3. Virtual International Authority File
4. [Source](https://www.zobodat.at/personen.php?id=108733)