# Arnold Balls
**Wikidata**: [Q107536859](https://www.wikidata.org/wiki/Q107536859)  
**Source**: https://4ort.xyz/entity/arnold-balls


## References

1. Students of the Universities of Prague 1882–1945
2. [Source](http://www.nasonline.org/member-directory/deceased-members/20001209.html)