- HTML (Multi-page, indexed) at the Internet Sacred Text Archive (Translated by Max Müller)
- Spanish PDF (direct link) of the first five Valli of the Kata Upanishad at Biblioteca Virtual Universal
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- Paperback edition, translated by Eknath Easwaran (Nilgiri Press, 2007, 368 pg).
All links verified on or after September 16, 2020