1) Zoroastrian text 
The GathasPronunciation-needed (Gāθās) are 17 hymns believed to have been composed by Zarathusthra (Zoroaster) himself. They are the most sacred texts of the Zoroastrian faith. == Structure and organization == The Gathas are in verse, metrical in the nature of ancient Iranian religious poetry, which is extremely terse, and in which grammatical ...
a large and important portion of the Avesta (see Sacred Scriptures)