Sacred-Texts  Hinduism 
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The Upanishads, Max Müller, translator

this text is on the sacred-texts CD-ROM  Upanishads, Part One (SBE 1)
this text is on the sacred-texts CD-ROM  Upanishads, Part Two (SBE 15)

The Sacred Books of the East started off with the Max Müler translation of the Upanishads; complete extexts of these key works are available here. This edition contains a dozen of the most important Upanishads, which are fundamental texts of Hinduism.