ईशावास्योपनिषत्

Text source: The eleven principal Upanishads from their individual pages on Sanskrit Wikisource (Brihadaranyaka: Kanva recension). Taittiriya pages interleave Shankara's bhashya; only the numbered mantra text is kept. · CC BY-SA 4.0 (Wikisource transcription of a public-domain text)