The Reibrin system, in the Ansuroer sector, contained Lijuter, the Houk homeworld. Under the Galactic Empire, it also contained several Imperial research stations on Lijuter's second moon, the site of Imperial experiments which attempted to turn Houk subjects into "perfect slaves." Several space stations also orbited this moon.
- Galaxy Guide 12: Aliens — Enemies and Allies
- Secrets of the Sisar Run
- Ultimate Alien Anthology
- The Essential Atlas
- (First mentioned)