# The High Frontier: Human Colonies in Space

> 1976 book by Gerard K. O'Neill

**Wikidata**: [Q3236084](https://www.wikidata.org/wiki/Q3236084)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/The_High_Frontier:_Human_Colonies_in_Space)  
**Source**: https://4ort.xyz/entity/the-high-frontier-human-colonies-in-space


## References

1. Goodreads