# Douglas Hartmann

> scientist

**Wikidata**: [Q113810599](https://www.wikidata.org/wiki/Q113810599)  
**Source**: https://4ort.xyz/entity/douglas-hartmann


## References

1. Integrated Authority File
2. Czech National Authority Database
3. Catalog of the German National Library
4. Index Theologicus
5. National Library of Israel Names and Subjects Authority File