Platt, Rutherford <br/><br/>
Worlds of Nature 

 - New York  Golden Press  1957 
 - 175p 
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label> 0 
<br/><br/><label>Dewey Class. No.: </label>W02  / P697