Sivananda, Sri Swami. <br/><br/>
The principle upanishads /  

 - 2n d. edn. /  
 - U.P :   Thme Divine life Society ,   1972 
 - xv,528p :  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Philosophy<Isavasya upnishad>
<br/><br/><label>Dewey Class. No.: </label>R65-6899,O  / M3