The Clone Labs, also known as Clone Lab complex were the area of the Emperor's Citadel on Byss that contained Palpatine's clone vats. They were overseen by the Clone Keeper, the Constable of Homunculi.
- Dark Empire endnotes
- Dark Empire Sourcebook
- The Art of Star Wars Galaxy: Volume Two
- The Essential Guide to Characters
- Star Wars: The Art of Dave Dorman
- "Star Wars Episode VII: Rise of the New Republic" — InQuest Gamer 50
- Star Wars Roleplaying Game Core Rulebook
- Star Wars: Panel to Panel
- The Complete Star Wars Encyclopedia
- Star Wars: The Official Starships & Vehicles Collection 22