The label Triad of Evil is what Sheev Palpatine, the Supreme Chancellor, used to refer to the planets of Felucia, Mygeeto, and Saleucami.
- Star Wars: Build the Millennium Falcon 21 (Guide to the Galaxy: Visiting Felucia) (Initial mention)
- Star Wars: Build the Millennium Falcon 44 (Guide to the Galaxy: Visiting Saleucami) (Initially designated as Triad of Evil)
- Star Wars: Battles that Changed the Galaxy
- " The End of the Clone Wars " — Star Wars Encyclopedia