In 2273, Elsa and Paul Hoff discovered Rosetta Stone-like inscriptions within an underground structure on the planet Abaris. The writing was in three languages: Abaris hieroglyphs, an unknown language, and the language of the Sumerians. (TOS comic: "Aberration on Abaris")
- TOS comic: "Aberration on Abaris"
- ST - Destiny novel: Lost Souls
- VOY - Distant Shores short story: "Brief Candle"