# Robert Walter Johannsen

> American historian of 19th century United States

**Wikidata**: [Q59628387](https://www.wikidata.org/wiki/Q59628387)  
**Source**: https://4ort.xyz/entity/robert-walter-johannsen


## References

1. [Source](https://www.historians.org/research-and-publications/perspectives-on-history/december-2011/in-memoriam-robert-w-johannsen)
2. Catalog of the German National Library
3. [Source](https://sah.columbia.edu/content/prizes/francis-parkman-prize?page=1)
4. Virtual International Authority File
5. LIBRIS