Behind the scenesEdit
Sump was first mentioned in the Star Wars Legends reference book Inside the Worlds of Star Wars: Episode I which was written by Kristin Lund and released in 2000. The world was confirmed to be canon in the roleplaying game Star Wars: The Force Awakens Beginner Game, which was released in 2016.
- Star Wars: The Force Awakens Beginner Game (First mentioned)
- Star Wars: Complete Locations
- Star Wars: Alien Archive