Spier, Fred S. <br/><br/>
The Tree of Knowledge 
Fred S. Spier. 
 - New York  Exposition Press  1975.. 
 - x,118p.; 21cm. 
<br/><br/><label>ISBN: </label>682481351 
<br/><br/><label>Dewey Class. No.: </label>121.3  / S65T