# Hans Otto Freitag

> 1945-2018

**Wikidata**: [Q131709067](https://www.wikidata.org/wiki/Q131709067)  
**Source**: https://4ort.xyz/entity/hans-otto-freitag


## References

1. Integrated Authority File
2. NUKAT
3. National Library of Israel Names and Subjects Authority File
4. Virtual International Authority File
5. CiNii Research
6. Deutsche Digitale Bibliothek