Roy, Lilly <br/><br/>
Natural Rhythm:  / 
Roy, Lilly 
 - 1st Edition 
 -  New-Yock: Vantage Press  1975 
<br/><br/> 8079 
<br/><br/><label>ISBN: </label>533 01843 9 
<br/><br/><label>Dewey Class. No.: </label>800/ROY/N