- Tradition
- Śruti. Embedded in the Vājasaneyī (White Yajur Veda) Saṃhitā as its 40th chapter. Often listed first among the eleven principal Upanishads.
- Translation
- F. Max Müller, *The Upanishads*, Sacred Books of the East, vol. 1 (Oxford: Clarendon Press, 1879) and vol. 15 (1884). Public domain.
- License
- Public domain (pre-1929 English translation). Reproduced for educational and religious commentary.