The Upanishads  
translations from the Sanskrit with an introduction by Juan Mascaró. 
 - Harmondsworth :   Penguin Books,    1965 
 - 142 p. ;    19 cm. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Upanishads.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hindu philosophy. <br/>Hinduism -- Sacred books.