Sadhu, Mouni. <br/><br/>
Concentration:  outline for practical study. 
Mouni Sadhu. 
 - London:  G. Allen & Unwin  1959. 
 - 174 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Yoga.
<br/><br/><label>Dewey Class. No.: </label>181.45  / SAD/C