# Ruth Christoffer Carlsen

> US author (1918-2006)

**Wikidata**: [Q62705232](https://www.wikidata.org/wiki/Q62705232)  
**Source**: https://4ort.xyz/entity/ruth-christoffer-carlsen


## References

1. The Encyclopedia of Science Fiction
2. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
3. CiNii Research
4. [Source](http://www.isfdb.org/cgi-bin/ea.cgi?190823)
5. Virtual International Authority File
6. Internet Speculative Fiction Database
7. National Library of Israel Names and Subjects Authority File