Gaulish Language and Literature Resources
The Gaulish Verbal System
The Verbal structure of Gaulish is still somewhat of a shadowy area.
When Cicero's brother Quintus was besieged by the Nervii in Gaul, Julius Caesar sent him a secret message -- in Greek, not Latin, so it could not be read by the enemy if they intercepted it.
Gaulish words and meanings
Gaulish is one of the ancient languages preceding most Celcic languages, and was no longer spoken after 500.
Gaulish and British coins (Google eBook)
Celtic inscriptions on Gaulish and British coins: Intended to supply ... by Beale Poste