Dat-an functioned as the language spoken by the Annoo-dat Prime. Following their departure from their homeworld of Annoo and subsequent conquest of Gelefil, the planet's other residents, the Annoo-dat Blue, also began using it, mostly phasing out Tra'ang'a.
- " Star Wars Droids: The Adventures of R2-D2 and C-3PO " — Polyhedron 170
- The Complete Star Wars Encyclopedia