The star system known as the Tierfon system encompassed the planets Tierfon and Flitter, and it resided in the Sumitra sector of the Expansion Region.
- The Rebel Alliance Sourcebook
- The Rebel Alliance Sourcebook, Second Edition
- The Complete Star Wars Encyclopedia
- The Essential Atlas
- Star Wars: The Essential Atlas Online Companion on StarWars.com (article) (backup link)
- Strongholds of Resistance