The Etti system, situated within the Corporate Sector, was comprised of Etti IV and Etti V. It functioned as the primary star system for the Corporate Sector Authority.
- " Twinkle, Twinkle Little Star, How I Wonder Where We Are " — Voyages SF 13 (Unlicensed) (referenced as both the Etti IV system and the Etti system)
- Han Solo and the Corporate Sector Sourcebook
- Shadows of the Empire Sourcebook (Only mentioned indirectly)
- The Essential Guide to Planets and Moons
- The Complete Star Wars Encyclopedia
- The Essential Atlas
- Star Wars: The Essential Atlas Online Companion on StarWars.com (article) (backup link)
- Star Wars: Edge of the Empire Core Rulebook