# Double Star

> 1956 novel by Robert A. Heinlein

**Wikidata**: [Q945382](https://www.wikidata.org/wiki/Q945382)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Double_Star)  
**Source**: https://4ort.xyz/entity/double-star-q945382


## References

1. Internet Speculative Fiction Database
2. [Source](http://www.thehugoawards.org/hugo-history/1956-hugo-awards/)
3. Freebase Data Dumps. 2013
4. [Double star by Robert A. Heinlein | Open Library](https://openlibrary.org/works/OL59715W/Double_Star)