# Valentinus Otho

> German astronomer

**Wikidata**: [Q91647](https://www.wikidata.org/wiki/Q91647)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Valentinus_Otho)  
**Source**: https://4ort.xyz/entity/valentinus-otho


## References

1. Mathematics Genealogy Project
2. Virtual International Authority File
3. Integrated Authority File
4. VcBA (identifier)
5. [Source](http://bazhum.muzhp.pl/media/files/Organon/Organon-r1986_1987-t22_23/Organon-r1986_1987-t22_23-s221-225/Organon-r1986_1987-t22_23-s221-225.pdf)
6. Freebase Data Dumps. 2013
7. CERL Thesaurus