Koba's history is discussed in "Yaddle's Tale: The One Below," a Star Wars Tales story with an unclear level of canonicity. While the main story has been referenced in other stories, the framing story has continuity errors.
Koba is called "Koda" in The Shadow Trap and the natives "Kodans."
- The Official Star Wars Fact File105
- The Complete Star Wars Encyclopedia
- The Essential Atlas