- Tales of the Jedi: Dark Lords of the Sith (audio) (Mentioned only)
- Star Wars: Droids—"Escape Into Terror" (First appearance)
- A Guide to the Star Wars Universe, Second Edition, Revised and Expanded
- "Star Wars Droids: The Adventures of R2-D2 and C-3PO"—Polyhedron 170
- The Complete Star Wars Encyclopedia
In other languages
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