ऐतरेयोपनिषद्
Aitareya Upanishad
Creation of the worlds and the world-guardians, the entry of the Self into the body, and 'prajnanam brahma'.
GRETIL e-text (sa_aitareyopaniSad-comm), mula extracted from the commentary edition · Sanskrit e-text: GRETIL, CC BY-NC-SA 4.0 (NonCommercial — see provenance)