F. Max Muller 
Upanishads 

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. These eleven have sometimes 2 been called the old and genuine Upanishads, though I should be satisfied to call them the eleven classical Upanishads, or the fundamental Upanishads Of the Vedanta philosophy.