- Tales of the Jedi: The Sith War 1: Edge of the Whirlwind (First appearance)
- Knights of the Old Republic 48: Demon, Part 2 (Appears in flashback(s))
- "Straight from the Horse's Mouth: A Guide to the Star Wars: Tales of the Jedi Universe, Part 2"—Star Wars Insider 27
- Star Wars Encyclopedia
- A Guide to the Star Wars Universe, Third Edition, Revised and Expanded
- The Complete Star Wars Encyclopedia (As "Harkul")
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