# Joseph Helffrich

> German astronomer (1890–1971)

**Wikidata**: [Q77460](https://www.wikidata.org/wiki/Q77460)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Joseph_Helffrich)  
**Source**: https://4ort.xyz/entity/joseph-helffrich


## References

1. Integrated Authority File
2. [Source](http://viaf.org/viaf/data/viaf-20170101-links.txt.gz)
3. Freebase Data Dumps. 2013