"Sivananda, Swami" <br/><br/>
Principal upanishads 

 - 4th ed. 
 - Tehri Garhwal  Divine Life Society  1998 
 - 492p. 
<br/><br/><label>ISBN: </label>8170520010 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Religion-Hindu
<br/><br/><label>Dewey Class. No.: </label>294.59218 SIV 4th ed.