Volin, Michael. <br/><br/>
Yoga over forty / 
Michael Volin and Nancy Phelan. 
 - London :  Sphere Books Limited,  1967. 
 - 158 p. ;  18 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hatha yoga
<br/><br/><label>LC Class. No.: </label>B132.Y6