Vivekananda, Swami . <br/><br/>
Swami Vivekananda on Raja yoga or conquering the internal nature :   also Patanjali's yoga aphorisms, with commentaries. 
Swami Vivekananda . 
 - 5th ed. 
 - New Delhi :   Cosmo Publications,   2004. 
 - 234p. : 
<br/><br/><label>ISBN: </label>8177557556 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Patanjali. - Yogasutra.
<br/><br/><label>Dewey Class. No.: </label>181.452  / VIV/S